将微波等离子推力器（MPT）应用于东方红三号（DFH3）卫星的推进子系统，完成其轨道转移和南北位置保持任务。
Microwave plasma thruster ( MPT ) was applied to the sub system of DFH 3 satellite to complete its orbit transfer ( OT ) and north south station keeping ( NSSK ) .
东方红三号卫星