名词
中文翻译：多硫化物推进剂
同义词：
['multi-sulfuric propellant', 'polysulfide rocket fuel']
例句：
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1. The newspacecraft uses a polysulfide propellant to achieve its high speed.
新型宇宙飞船使用一种多硫化物推进剂来实现其高速飞行。
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2.The rocket was powered by a polysulfide propellant, which is much more efficient than traditional rocket fuel.
火箭由一种多硫化物推进剂提供动力，比传统火箭燃料更高效。
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3.The development of polysulfide propellant has greatly improved the performance of spacecraft and rockets.
多硫化物推进剂的开发大大提高了航天器和火箭的性能。