The Long March 5 has core stages fed by liquid hydrogen and liquid oxygen, another technology route to high specific impulse.
长征5有由液态氢和液态氧，另一种技术路线，高比冲美联储的核心阶段。
More and more researchers have been showing great interest in laser propulsion for its outstanding merits, such as high specific impulse, low cost, etc.
激光推进以其比冲高、成本低等优点受到了众多研究者的广泛关注。
Electric Propulsion (EP) has many advantages of high specific impulse, long lifetime, high controlling precision. It can perform many kinds of space mission.
电推进(ep)具有比冲高、寿命长、控制精度高等优点，可完成多种空间任务。
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