首页
登录
职称英语
Computers may one day turn night into day-with good old, natural sunlight
Computers may one day turn night into day-with good old, natural sunlight
游客
2025-05-09
30
管理
问题
Computers may one day turn night into day-with good old, natural sunlight.
Giant computer-controlled mirrors, thousands of feet across, 【56】 one day orbit the earth, 【57】 sunlight onto a darkened United States.
Two scientists 【58】 NASA (National Aeronautics and Space Administration) say that 16 of these mirrors, 【59】 about a half mile wide, could 【60】 their reflected light at one area on earth 【61】 was about 200 miles 【62】 300 miles. That much light would equal 【63】 56 moons.
The mirror would be 【64】 high that they could 【65】 the sun’s light 【66】 the sun was shining on the 【67】 side of the Earth. The mirrors would 【68】 thousands of miles high 【69】 the same speed as the Earth spins. That way, the mirrors 【70】 always be over the same spot.
The aluminum-coated, plastic mirrors could be 【71】 up and packed into a 【72】 shuffle, according to the scientists, John Allen and John Canady. 【73】 released a few hundred miles in 【74】 , the mirrors, powered 【75】 a solar-powered engine, could make the rest of the trip into space on their own.
Allen and Canady say that the computer-controlled mirrors could also be made to tilt slowly, so the reflected sunlight would sweep slowly along the surface of the Erath. For example, as night fell, the mirrors could be tilted to light up Boston. Later on as darkness crept slowly westward, Chicago, for example, then San Francisco could be lit up. The reflected sunlight would allow these cities to conserve electricity. And in emergencies, such as power-failures or disasters, the mirrors could light up the affected areas. [br]
选项
答案
at
解析
转载请注明原文地址:https://tihaiku.com/zcyy/4068343.html
相关试题推荐
Forme,scientificknowledgeisdividedintomathematicalsciences,natural
Forme,scientificknowledgeisdividedintomathematicalsciences,natural
Forme,scientificknowledgeisdividedintomathematicalsciences,natural
Computersmayonedayturnnightintoday-withgoodold,naturalsunlight
Computersmayonedayturnnightintoday-withgoodold,naturalsunlight
Computersmayonedayturnnightintoday-withgoodold,naturalsunlight
Computersmayonedayturnnightintoday-withgoodold,naturalsunlight
Computersmayonedayturnnightintoday-withgoodold,naturalsunlight
Computersmayonedayturnnightintoday-withgoodold,naturalsunlight
Computersmayonedayturnnightintoday-withgoodold,naturalsunlight
随机试题
[originaltext]M:I’vebeenpracticingthatsongallweek,butI’mstillafraid
[originaltext]M:Hi,Sophia.I’vejustmovedintoanewapartment.Wouldyouli
A.某非周期信号的幅值频谱 B.某周期信号的幅值频谱 C.某非周期信号的频谱
关键路径法是多种项目进度分析方法的基础。( )将关键路径法分析的结果应用到项目
螺旋分级机可以用来对砂料或矿物进行( )。A.破碎 B.筛分 C.脱水 D
根据《公路工程造价管理暂行办法》,初步设计概算静态投资部分的最高限额是()
患儿女,18个月大。生命体征平稳,心肺未见异常,血尿常规检查未见异常。其软腭部裂
检修人员进行操作的接、发令程序及安全要求应由( )审定,并报相关部门和调度控制
各种运输方式内外部的各个方面的构成和联系,就是( )。 A.运输系统
下列句子,没有歧义的是() A.我市即将召开隆重表彰见义勇为市民大会
最新回复
(
0
)