And keeping the satellite's huge beam and the distant rectenna reliably synced up also stands as an unsolved technical issue.
而要使卫星发射出来
巨大微波束与地面网格形天线一直保持
，
是一个
未解决
难题。
And keeping the satellite's huge beam and the distant rectenna reliably synced up also stands as an unsolved technical issue.
而要使卫星发射出来巨大微波束与地面网格形天线一直保持，是一个未解决难题。
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