<figure style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 14px; line-height: inherit; margin: 32px -54.2188px 0px 0px; padding: 0px; vertical-align: baseline; background-color: #111111; clear: both;"><span style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline; display: block; position: relative;"><img alt="3D打印枪" src="https://ichef.bbci.co.uk/news/660/cpsprodpb/7523/production/_102778992_048428380.jpg" width="976" height="549" data-highest-encountered-width="660" style="color: #bdbdbd; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline; height: auto; max-width: 100%; user-select: none; width: 645.781px; display: block;" /><span style="border: 0px !important; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px !important; vertical-align: baseline; clip: rect(1px 1px 1px 1px); overflow: hidden; position: absolute !important; height: 1px !important; width: 1px !important;">图片版权</span><span style="border: 0px; color: #ececec; font-style: inherit; font-family: inherit; font-size: 0.875rem; font-weight: inherit; letter-spacing: 0.25px; line-height: 1.14286; margin: 0px; padding: 3px 8px 1px; vertical-align: baseline; text-transform: uppercase; background: rgba(0, 0, 0, 0.6); bottom: 0px; position: absolute; right: 0px;">AFP/GETTY</span></span><figcaption style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 16px; vertical-align: baseline; visibility: visible;"><span style="border: 0px !important; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px !important; vertical-align: baseline; clip: rect(1px 1px 1px 1px); overflow: hidden; position: absolute !important; height: 1px !important; width: 1px !important;">Image caption</span><span style="border: 0px; color: #ececec; font-style: inherit; font-family: inherit; font-size: 0.75rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.33333; margin: 0px; padding: 0px; vertical-align: baseline; display: block;">不少人担忧3D打印枪支会影响普通民众的安全</span></figcaption></figure><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; font-weight: bold; line-height: 1.75; margin-top: 28px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">美国一名联邦法官发布临时禁令，叫停3D打印枪支蓝图在网上公布。此前，不少人担忧3D打印枪支会给普通民众带来安全风险。</p><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">上周五（7月27日），非营利组织“防卫分布”（Defense Distributed）在网站上公布了枪支蓝图，这些蓝图均可下载。6月，该组织曾与特朗普政府达成和解协议，得以合法发布这些资料。</p><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">不过，周一（30日）美国八个州与哥伦比亚特区起诉政府，要求政府对“防卫分布”发布禁令。他们认为，枪支难以追踪，存在安全风险。</p><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">美国联邦法官拉斯尼克（Robert Lasnik）周二（31日）发布了一项临时禁令，禁止在网上公布制枪蓝图，称其可能落入坏人之手。拉斯尼克将于8月10日再次举行听证会。</p><ul style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 14px; line-height: inherit; margin: 18px 0px 0px; padding: 0px; vertical-align: baseline; list-style: none; background-color: #ffffff;"><li style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.75; margin: 18px 0px 0px 20px; padding: 0px 0px 0px 4px; vertical-align: baseline; list-style: square outside;"><a href="https://www.bbc.com/zhongwen/simp/mobile/world/2013/05/130506_us_printed_firearm.shtml" style="border-width: 0px 0px 1px; border-top-style: initial; border-right-style: initial; border-bottom-style: solid; border-left-style: initial; border-top-color: initial; border-right-color: initial; border-bottom-color: #dcdcdc; border-left-color: initial; border-image: initial; color: #222222; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: bold; letter-spacing: inherit; line-height: 1.75; margin: 0px; padding: 0px; vertical-align: baseline; text-decoration-line: none; -webkit-tap-highlight-color: rgba(17, 103, 168, 0.3);">世上第一把3D打印手枪美国得州试射</a></li><li style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.75; margin: 18px 0px 0px 20px; padding: 0px 0px 0px 4px; vertical-align: baseline; list-style: square outside;"><a href="https://www.bbc.com/zhongwen/simp/world-41507040" style="border-width: 0px 0px 1px; border-top-style: initial; border-right-style: initial; border-bottom-style: solid; border-left-style: initial; border-top-color: initial; border-right-color: initial; border-bottom-color: #dcdcdc; border-left-color: initial; border-image: initial; color: #222222; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: bold; letter-spacing: inherit; line-height: 1.75; margin: 0px; padding: 0px; vertical-align: baseline; text-decoration-line: none; -webkit-tap-highlight-color: rgba(17, 103, 168, 0.3);">赌城枪击案——美国控枪的五大障碍</a></li></ul><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">“大学和公共场所都有3D打印机，可能会造成无法弥补的伤害，”拉斯尼克说。</p><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">尽管“防卫分布”本将在周三（8月1日）发布这些蓝图，但他们在上周就上传了九种枪支的文件。周五至周日，已经超过1000人下载了这些文件。这些文件的内容明显是在仿造AR-15步枪，美国许多大规模枪击案的枪手都曾使用这种枪。</p><h2>为什么要禁止3D打印枪支？</h2><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">华盛顿州总检察长弗格森（Bob Ferguson）在西雅图提起了对特朗普政府的诉讼，纽约州、新泽西州、麻萨诸塞州、康涅狄格州、宾夕法尼亚州、俄勒冈州、马里兰州，以及华盛顿特区的总检察长都有份参与。</p><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">3D打印枪支引发了对国家安全和公民安全的担忧。目前，无法追踪3D打印枪支，使用该技术也无需任何背景检查。因此，有人担心犯罪分子可以轻易获得武器。</p><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">安全专家还担忧，自制枪支可以避开公共建筑和机场中使用的金属探测器。</p><figure style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 14px; line-height: inherit; margin: 24px -24.6406px 0px 0px; padding: 0px; vertical-align: baseline; background-color: #111111; clear: both;"><span style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline; display: block; position: relative;"><img src="https://ichef.bbci.co.uk/news/624/cpsprodpb/EA53/production/_102778995_048433385.jpg" datasrc="https://ichef.bbci.co.uk/news/320/cpsprodpb/EA53/production/_102778995_048433385.jpg" alt="3D打印枪" width="976" height="549" data-highest-encountered-width="624" style="color: #bdbdbd; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline; height: auto; max-width: 100%; user-select: none; width: 616.203px; transition: opacity 0.2s ease-in; display: block;" /><span style="border: 0px !important; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px !important; vertical-align: baseline; clip: rect(1px 1px 1px 1px); overflow: hidden; position: absolute !important; height: 1px !important; width: 1px !important;">图片版权</span><span style="border: 0px; color: #ececec; font-style: inherit; font-family: inherit; font-size: 0.875rem; font-weight: inherit; letter-spacing: 0.25px; line-height: 1.14286; margin: 0px; padding: 3px 8px 1px; vertical-align: baseline; text-transform: uppercase; background: rgba(0, 0, 0, 0.6); bottom: 0px; position: absolute; right: 0px;">AFP/GETTY</span></span><figcaption style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 16px; vertical-align: baseline; visibility: visible;"><span style="border: 0px !important; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px !important; vertical-align: baseline; clip: rect(1px 1px 1px 1px); overflow: hidden; position: absolute !important; height: 1px !important; width: 1px !important;">Image caption</span><span style="border: 0px; color: #ececec; font-style: inherit; font-family: inherit; font-size: 0.75rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.33333; margin: 0px; padding: 0px; vertical-align: baseline; display: block;">威尔森在2013年公布了第一把3D打印手枪“解放者”</span></figcaption></figure><h2>各方有何回应？</h2><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">华盛顿州总检察长弗格森认为法官的决定是“完全、彻底的胜利”。</p><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">在周二禁令颁布前，美国总统特朗普发推特说，正在研究此事，已经跟全国步枪协会（NRA）讨论过，觉得不怎么合理。</p><div style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 14px; line-height: inherit; margin: 12px 0px 0px; padding: 0px; vertical-align: baseline; background-color: #ffffff;"><div style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px auto; padding: 0px; vertical-align: baseline; max-width: 465px;"><a href="https://twitter.com/realDonaldTrump/status/1024264286418489345" style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline; text-decoration-line: none; -webkit-tap-highlight-color: rgba(17, 103, 168, 0.3);"><figure style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 24px -19.375px 0px 0px; padding: 0px 16px; vertical-align: baseline; clear: both;"><span style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline; display: block; position: relative;"><img src="https://ichef.bbci.co.uk/news/485/socialembed/https://twitter.com/realDonaldTrump/status/1024264286418489345~/zhongwen/simp/world-45036189" datasrc="https://ichef.bbci.co.uk/news/1024/socialembed/https://twitter.com/realDonaldTrump/status/1024264286418489345~/zhongwen/simp/world-45036189" alt="Twitter 用户名 @realDonaldTrump: I am looking into 3-D Plastic Guns being sold to the public. Already spoke to NRA, doesn’t seem to make much sense!" width="465" height="198" data-highest-encountered-width="485" style="color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline; height: auto; max-width: 100%; user-select: none; width: 452.375px; transition: opacity 0.2s ease-in; display: block;" /><span style="border: 0px !important; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px !important; vertical-align: baseline; clip: rect(1px 1px 1px 1px); overflow: hidden; position: absolute !important; height: 1px !important; width: 1px !important;">图片版权 @realDonaldTrump</span><span aria-hidden="true" style="border: 0px; color: #ececec; font-style: inherit; font-family: inherit; font-size: 0.875rem; font-weight: inherit; letter-spacing: 0.25px; line-height: 1.14286; margin: 0px; padding: 3px 8px 1px; vertical-align: baseline; text-transform: uppercase; background: rgba(0, 0, 0, 0.6); bottom: 0px; position: absolute; right: 0px;">@REALDONALDTRUMP</span></span></figure></a></div></div><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">非营利组织“防卫分布”创办人威尔森（Cody Wilson）对BBC表示，3D枪支不会威胁到公共安全。</p><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">“我从未看到有人使用它犯罪，”他说。</p><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">“就我所知，只有一人因为这种枪被捕。那是一名日本男士，他对制作过程很好奇。”</p><h2>打印枪支的发展历程</h2><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">其实早在2013年，威尔森就展示了世界上第一把3D打印枪。</p><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">当时，"防卫分布"的网站已经发布了文件，展示制作过程，文件被下载了许多次，随后美国国务院要求该组织在网上删除这些文件。</p><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">这引发了四年的法律战。“防卫分布”联合第二修正案基金会起诉美国国务院。第二修正案基金会支持拥枪的权利。</p><ul style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 14px; line-height: inherit; margin: 18px 0px 0px; padding: 0px; vertical-align: baseline; list-style: none; background-color: #ffffff;"><li style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.75; margin: 18px 0px 0px 20px; padding: 0px 0px 0px 4px; vertical-align: baseline; list-style: square outside;"><a href="https://www.bbc.com/ukchina/simp/vert-fut-43921000" style="border-width: 0px 0px 1px; border-top-style: initial; border-right-style: initial; border-bottom-style: solid; border-left-style: initial; border-top-color: initial; border-right-color: initial; border-bottom-color: #dcdcdc; border-left-color: initial; border-image: initial; color: #222222; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: bold; letter-spacing: inherit; line-height: 1.75; margin: 0px; padding: 0px; vertical-align: baseline; text-decoration-line: none; -webkit-tap-highlight-color: rgba(17, 103, 168, 0.3);">假如世上所有的枪支都消失，一切会如何？</a></li><li style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.75; margin: 18px 0px 0px 20px; padding: 0px 0px 0px 4px; vertical-align: baseline; list-style: square outside;"><a href="https://www.bbc.com/zhongwen/simp/world-41508698" style="border-width: 0px 0px 1px; border-top-style: initial; border-right-style: initial; border-bottom-style: solid; border-left-style: initial; border-top-color: initial; border-right-color: initial; border-bottom-color: #dcdcdc; border-left-color: initial; border-image: initial; color: #222222; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: bold; letter-spacing: inherit; line-height: 1.75; margin: 0px; padding: 0px; vertical-align: baseline; text-decoration-line: none; -webkit-tap-highlight-color: rgba(17, 103, 168, 0.3);">一组图全面解析美国枪枝管制</a></li></ul><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">上个月，“防卫分布”意外地打赢了官司。美国司法部认定，美国人可以“接触、讨论、使用和复制”技术资料。威尔森称他的胜利是“可下载枪支时代”的开端。</p><p style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 1rem; line-height: 1.75; margin-top: 18px; padding: 0px; vertical-align: baseline; background-color: #ffffff;">但是批评者担忧，这将导致“幽灵枪”、未登记武器大幅度增加，政府无从知晓，也无法追查。</p>