... ionosphere beacon satellite 游离层信标卫星 ion rocket 离子推进火箭 IR augmenter 红外线增强器 ...
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N a rocket propelled by an ion engine 离子火箭
Once in space, ion engines steadily propel a spacecraft until it travels faster than it would have using a chemical rocket.
一旦进入太空，离子发动机将稳步推进航天器，最终达到的速度会比使用普通火箭的更高。
The exhaust velocity, though, is enormous—more than ten times that of a chemical rocket—and this makes ion propulsion extremely efficient.
但其排气速度却异常惊人，大约为化学燃料火箭的十倍—这使得离子推进器的效率非常高。
The push power be produced is very tiny but the key point is that compare to produce same push power ion propulsion needs lesser fuels than traditional rocket.
由此产生的推力非常微小，但关键的一点是，对于产生相同的推力而言离子推进器所需的燃料要比传统火箭少。
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