multistage satellite [航] 多级卫星 ; 多级的人造卫星
satellite multistage
卫星多级
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Then in December it successfully launched a satellite into space from a multistage rocket, a move that was widely viewed as another test of the country's long-range missile technology.
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In April, North Korea tested a multistage Taepodong-2 missile that crashed into the Pacific Ocean, in what Pyongyang said was a satellite launch.
WSJ: Tests Point to Spread of Weapons Trade
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