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<{p}>NASA worked in the 1970s and early 1980s to research the possibilities of using Solar Power Satellite (SPS) systems with large solar arrays that would <{u}>beam power down to the Earth’s surface<{/u}> via microwaves.<{/p}>

发布于 2021-04-13 16:27:11

【单选题】
A shed solar energy to the Earth’s surface from the satellite
B set the satellite down to the Earth’s surface with power
C shut down the power on the Earth’s surface from the satellite
D switch off power to the Earth’s surface from the satellite

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qwertyyu 2023-04-13

这家伙很懒，什么也没写！

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