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。
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。
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