2015考研英语阅读从太空采集太阳能
<p> <span word="Solar">Solar</span> <span word="power">power</span> <span word="fromspace">fromspace</span>,<span word="Beam">Beam</span> <span word="it">it</span> <span word="down">down</span>, <span word="Scotty">Scotty</span>.</p><p> 从太空采集太阳能,传送电力到地球吧,斯科蒂。</p><p> <span word="Harvesting">Harvesting</span> <span word="solar">solar</span> <span word="power">power</span> <span word="in">in</span> <span word="space">space</span>, <span word="for">for</span> <span word="use">use</span> <span word="on">on</span> <span word="Earth">Earth</span>, <span word="comes">comes</span> <span word="a">a</span> <span word="step">step</span> <span word="closer">closer</span> <span word="to">to</span> <span word="reality">reality</span></p><p> 将太空收获的太阳电能在地球上利用，这种理想又向现实迈出了一大步。</p><p> <span word="THE">THE</span> <span word="idea">idea</span> <span word="of">of</span> <span word="collecting">collecting</span> <span word="solar">solar</span> <span word="energy">energy</span> <span word="in">in</span> <span word="space">space</span> <span word="and">and</span> <span word="beaming">beaming</span> <span word="it">it</span> <span word="to">to</span> <span word="Earth">Earth</span> <span word="has">has</span> <span word="been">been</span> <span word="around">around</span> <span word="for">for</span> <span word="atleast">atleast</span> 70 <span word="years">years</span>.</p><p> 从太空中收集太阳能并将其传送到地球的想法已经存在了至少70年。</p><p> <span word="In">In</span> <span word="Reason">Reason</span> , <span word="a">a</span> <span word="short">short</span> <span word="story">story</span> <span word="by">by</span> <span word="Isaac">Isaac</span> <span word="Asimov">Asimov</span> <span word="that">that</span> <span word="was">was</span> <span word="published">published</span> <span word="in">in</span> 1941, <span word="a">a</span> <span word="space">space</span> <span word="stationtransmits">stationtransmits</span> <span word="energy">energy</span> <span word="collected">collected</span> <span word="from">from</span> <span word="the">the</span> <span word="sun">sun</span> <span word="to">to</span> <span word="various">various</span> <span word="planets">planets</span> <span word="using">using</span> <span word="microwave">microwave</span> <span word="beams">beams</span>.</p><p> 艾萨克阿西莫夫在1941年出版的短篇小说<span word="Reason">Reason</span>中曾设想利用微波束将空间站收集到的太阳能传送到各类行星上。</p><p> <span word="The">The</span> <span word="advantage">advantage</span> <span word="of">of</span> <span word="intercepting">intercepting</span> <span word="sunlight">sunlight</span> <span word="in">in</span> <span word="space">space</span>, <span word="instead">instead</span> <span word="of">of</span> <span word="letting">letting</span> <span word="it">it</span> <span word="find">find</span> <span word="its">its</span> <span word="own">own</span> <span word="way">way</span> <span word="throughthe">throughthe</span> <span word="atmosphere">atmosphere</span>, <span word="is">is</span> <span word="that">that</span> <span word="so">so</span> <span word="much">much</span> <span word="gets">gets</span> <span word="absorbed">absorbed</span> <span word="by">by</span> <span word="the">the</span> <span word="air">air</span>.</p><p> 从太空直接截获太阳光而不任由它们穿过大气层的优点是大部分光能量不会被大气吸收。</p><p> <span word="By">By</span> <span word="converting">converting</span> <span word="it">it</span> <span word="to">to</span> <span word="the">the</span> <span word="right">right</span> <span word="frequency">frequency</span> <span word="first">first</span> <span word="a">a</span> <span word="space">space</span>-<span word="based">based</span> <span word="collector">collector</span> <span word="could">could</span>, <span word="enthusiasts">enthusiasts</span> <span word="claim">claim</span>, <span word="yieldon">yieldon</span> <span word="average">average</span> <span word="five">five</span> <span word="times">times</span> <span word="as">as</span> <span word="much">much</span> <span word="power">power</span> <span word="as">as</span> <span word="one">one</span> <span word="located">located</span> <span word="on">on</span> <span word="the">the</span> <span word="ground">ground</span>.</p>
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