自动驾驶汽车在美国上牌
<p>美国内华达州机动车管理部门近日向谷歌颁发了首个自动驾驶汽车牌照，以进一步检验此类车辆在实际道路驾驶中的性能。该汽车牌照为红色，上面用无限大符号∞来与其它车辆进行区分。如果进展顺利，自动驾驶汽车有望于三到五年内面市。届时，自动驾驶车辆的车牌将会定为绿色。</p><p>据介绍，自动驾驶汽车其实是用自动驾驶仪来控制车辆，不需要人类驾驶员有任何操作，也不会像人类驾驶员那样容易分神。安装在车顶和保险杠上的激光雷达可以随时监测车辆周边行人和车辆的情况，并会在各类障碍物与车辆之间形成一个虚拟的缓冲区域，以使车辆能够安全避开。</p><p><span word="Nevada">Nevada</span> <span word="drivers">drivers</span> <span word="could">could</span> <span word="soon">soon</span> <span word="be">be</span> <span word="sharing">sharing</span> <span word="the">the</span> <span word="road">road</span> <span word="with">with</span> <span word="vehicles">vehicles</span> <span word="that">that</span> <span word="don">don</span>'<span word="t">t</span> <span word="need">need</span> <span word="them">them</span>.</p><p><span word="Department">Department</span> <span word="of">of</span> <span word="Motor">Motor</span> <span word="Vehicles">Vehicles</span> <span word="officials">officials</span> <span word="said">said</span> <span word="Monday">Monday</span> <span word="they">they</span>'<span word="ve">ve</span> <span word="issued">issued</span> <span word="Google">Google</span> <span word="the">the</span> <span word="nation">nation</span>'<span word="s">s</span> <span word="first">first</span> <span word="license">license</span> <span word="to">to</span> <span word="test">test</span> <span word="self">self</span>-<span word="driving">driving</span> <span word="cars">cars</span> <span word="on">on</span> <span word="public">public</span> <span word="streets">streets</span>, <span word="after">after</span> <span word="conducting">conducting</span> <span word="demonstrations">demonstrations</span> <span word="on">on</span> <span word="the">the</span> <span word="Las">Las</span> <span word="Vegas">Vegas</span> <span word="Strip">Strip</span> <span word="and">and</span> <span word="in">in</span> <span word="Carson">Carson</span> <span word="City">City</span> <span word="that">that</span> <span word="show">show</span> <span word="the">the</span> <span word="car">car</span> <span word="is">is</span> <span word="as">as</span> <span word="safe">safe</span> — <span word="or">or</span> <span word="perhaps">perhaps</span> <span word="safer">safer</span> — <span word="than">than</span> <span word="a">a</span> <span word="human">human</span>.</p><p>"<span word="It">It</span> <span word="gets">gets</span> <span word="honked">honked</span> <span word="at">at</span> <span word="more">more</span> <span word="often">often</span> <span word="because">because</span> <span word="it">it</span>'<span word="s">s</span> <span word="being">being</span> <span word="safe">safe</span>," <span word="said">said</span> <span word="Nevada">Nevada</span> <span word="DMV">DMV</span> <span word="Director">Director</span> <span word="Bruce">Bruce</span> <span word="Breslow">Breslow</span>.</p><p><span word="Self">Self</span>-<span word="driving">driving</span> <span word="vehicle">vehicle</span> <span word="technology">technology</span> <span word="works">works</span> <span word="like">like</span> <span word="auto">auto</span>-<span word="pilot">pilot</span> <span word="to">to</span> <span word="guide">guide</span> <span word="a">a</span> <span word="car">car</span> — <span word="in">in</span> <span word="this">this</span> <span word="case">case</span> <span word="a">a</span> <span word="modified">modified</span> <span word="Prius">Prius</span> — <span word="with">with</span> <span word="little">little</span> <span word="or">or</span> <span word="no">no</span> <span word="intervention">intervention</span> <span word="from">from</span> <span word="a">a</span> <span word="human">human</span> <span word="operator">operator</span>. <span word="Laser">Laser</span> <span word="radar">radar</span> <span word="mounted">mounted</span> <span word="on">on</span> <span word="the">the</span> <span word="roof">roof</span> <span word="and">and</span> <span word="in">in</span> <span word="the">the</span> <span word="grill">grill</span> <span word="detects">detects</span> <span word="pedestrians">pedestrians</span>, <span word="cyclists">cyclists</span> <span word="and">and</span> <span word="other">other</span> <span word="vehicles">vehicles</span>, <span word="creating">creating</span> <span word="a">a</span> <span word="virtual">virtual</span> <span word="buffer">buffer</span> <span word="zone">zone</span> <span word="around">around</span> <span word="the">the</span> <span word="obstacles">obstacles</span> <span word="that">that</span> <span word="the">the</span> <span word="car">car</span> <span word="then">then</span> <span word="avoids">avoids</span>.</p>
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