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单词 design estimate
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双语版 TED-Ed 演讲精选

Current designs estimate that it would take about 8 days to elevate an object into geostationary orbit.

依照现在的设计,预估大约需要八天才能将一个物体抛上地球同步轨道。

TED-Ed(视频版)

These mechanisms would require huge amounts of electricity, which could be provided by solar panels or potentially even nuclear systems. Current designs estimate that it would take about 8 days to elevate an object into geostationary orbit.

这些机制需要大量的电力,这些电力可以由太阳能电池板甚至核系统提供。目前的设计估计,将物体提升到地球静止轨道大约需要 8 天。

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