Complex, vast, and multidisciplinary, chemical propulsion has been the subject of extensive investigation over the past few decades.
复杂，巨大，和多学科，化学的推进力是在过去的几十年广泛的调查的主题。
Orbit maneuver hydrogen-oxygen thruster based on gas dynamic resonance igniter is a novel chemical propulsion technology especially prospective in space station application.
结合气动谐振点火器进行头部设计的氢氧变轨火箭发动机是一项新颖化学火箭推进技术，尤其适于空间站应用。
One might think that fusion propulsion requires some exotic fuel to propel a rocket a million-or-so-times more energetically than standard chemical fuels.
有人可能会认为聚变推进需要一些能量高于标准的化学燃料一百多万倍的稀有燃料推进一个火箭。
The rise of magma, its accumulation in Chambers, its propulsion into fractures-these events produce chemical signals that reach the surface well ahead of the magma itself.
岩浆抬升，在火山内部累积以及被挤压到地层的破裂位置——这些事件都会在岩浆从地表露头之前引发化学信号。
So far NASA is exploring two options for propulsion there? A nuclear thermal rocket and a chemical engine.
迄今为止NASA研究了两种前往那里的备选推进器：核热火箭和化学发动机。
NASA plans to test a full-size solar sail for chemical-free propulsion and a deep space atomic clock.
此外，美国国家航空航天局（下文简称NASA）还计划测试一个完整尺寸的太阳帆，为航天器提供绿色推进能源，以及测试一个深空原子钟。
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 Cruze EV demo fleet will be GM's first compact sedan electric vehicles to hit the road and will be powered by batteries from LG Chemical and propulsion systems from LG Electronics.
雪福兰科鲁兹电动车演示团队是通用汽车第一个小型的客可上路的电动轿车，其驱动的电池来自乐金电子化学，推进系统来自乐喜金星电子。
Electric propulsion system offers specific impulse at least an order of magnitude higher than those of chemical thrusters, so propellant masses can be reduced by the same factor.
电推进系统具有比化学推进器最少高一个数量级的比冲，所以采用电推进系统可以大量减少推进剂质量。
Scientists are already experimenting with propulsion systems that may travel much faster than today's conventional chemical rockets.
科学家们正在研制比目前化学燃料火箭飞行更快速的推进系统。
Scientists are already experimenting with propulsion systems that may travel much faster than today's conventional chemical rockets.
科学家们正在研制比目前化学燃料火箭飞行更快速的推进系统。
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