新奇：时速160公里的自行车
<p><span word="Now">Now</span> <span word="Minneapolis">Minneapolis</span>-<span word="based">based</span> <span word="inventor">inventor</span> <span word="Rich">Rich</span> <span word="Kronfield">Kronfield</span> <span word="has">has</span> <span word="created">created</span> <span word="an">an</span> <span word="electric">electric</span>-<span word="assist">assist</span> '<span word="Raht">Raht</span> <span word="Racer">Racer</span>' <span word="velomobile">velomobile</span> <span word="that">that</span> <span word="he">he</span> <span word="claims">claims</span> <span word="can">can</span> <span word="travel">travel</span> <span word="at">at</span> <span word="up">up</span> <span word="to">to</span> 100<span word="mph">mph</span> (160<span word="km">km</span>/<span word="h">h</span>).</p><p>现在美国明尼阿波利斯的发明家里奇•科伦菲尔德研制了电动“拉特赛车”（<span word="Raht">Raht</span> <span word="Racer">Racer</span>）人力躺车，声称其速度每小时能高达100英里（即每小时160公里）。</p><p>'<span word="The">The</span> <span word="Raht">Raht</span> <span word="Racer">Racer</span> <span word="is">is</span> <span word="a">a</span> <span word="power">power</span> <span word="biking">biking</span> <span word="vehicle">vehicle</span> <span word="that">that</span> <span word="uses">uses</span> <span word="state">state</span> <span word="of">of</span> <span word="the">the</span> <span word="art">art</span> <span word="pedal">pedal</span>-<span word="electric">electric</span> <span word="hybrid">hybrid</span> <span word="technology">technology</span> <span word="to">to</span> <span word="amplify">amplify</span> <span word="pedal">pedal</span> <span word="power">power</span>, <span word="enabling">enabling</span> <span word="the">the</span> <span word="rider">rider</span>'<span word="s">s</span> <span word="legs">legs</span> <span word="to">to</span> <span word="propel">propel</span> <span word="the">the</span> <span word="vehicle">vehicle</span> <span word="up">up</span> <span word="to">to</span> <span word="highway">highway</span> <span word="speeds">speeds</span>, <span word="giving">giving</span> <span word="the">the</span> <span word="rider">rider</span> <span word="the">the</span> <span word="feeling">feeling</span> <span word="of">of</span> <span word="super">super</span> <span word="strength">strength</span>,' <span word="Mr">Mr</span> <span word="Kronfield">Kronfield</span> <span word="says">says</span>.</p><p>“拉特赛车是一种动力自行车，使用脚踏电动混合技术来增强脚踏的动力，使得骑行者的腿能够推动自行车达到高速公路的速度，让骑车人感受到超强力量，”科伦菲尔德如是说道。</p><p>'<span word="On">On</span> <span word="a">a</span> <span word="bicycle">bicycle</span>, <span word="your">your</span> <span word="pedals">pedals</span> <span word="are">are</span> <span word="the">the</span> <span word="accelerator">accelerator</span>. <span word="Same">Same</span> <span word="with">with</span> <span word="the">the</span> <span word="Raht">Raht</span> <span word="Racer">Racer</span>, <span word="only">only</span> <span word="multiplied">multiplied</span> <span word="a">a</span> <span word="hundred">hundred</span> <span word="times">times</span>.'</p><p>“在自行车上，踏板是加速器，拉特赛车也一样，只不过拉特赛车的速度是它的百倍。”</p><p><span word="The">The</span> <span word="Raht">Raht</span> <span word="Racer">Racer</span>'<span word="s">s</span> <span word="pedals">pedals</span> <span word="are">are</span> <span word="connected">connected</span> <span word="to">to</span> <span word="a">a</span> <span word="unique">unique</span> <span word="flywheel">flywheel</span> <span word="generator">generator</span> <span word="rather">rather</span> <span word="than">than</span> <span word="of">of</span> <span word="directly">directly</span> <span word="driving">driving</span> <span word="the">the</span> <span word="wheels">wheels</span>, <span word="as">as</span> <span word="in">in</span> <span word="a">a</span> <span word="traditional">traditional</span> <span word="velomobile">velomobile</span>.</p><p>拉特赛车的脚踏板与独一无二的飞轮发电机连接，而不是像传统的自行车一样直接与车轮连接。</p><p><span word="The">The</span> <span word="pedals">pedals</span> <span word="power">power</span> <span word="a">a</span> 20-<span word="kWh">kWh</span> <span word="electric">electric</span> <span word="motor">motor</span>, <span word="which">which</span> <span word="sits">sits</span> <span word="in">in</span> <span word="the">the</span> <span word="rear">rear</span> <span word="wheel">wheel</span> <span word="hub">hub</span>.</p>
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