DFH-3 Platform 东三平台
According to the report, the first stage is a moon orbiting mission by 2007, using the DFH-3 satellite platform.
依照报告，第一个阶段是2007年之前一个环月球轨道运行任务，使用DFH - 3卫星平台。
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).
将微波等离子推力器(MPT)应用于“东方红三号”(DFH 3)卫星的推进子系统，完成其轨道转移和南北位置保持任务。
By now, the working hours of DFH - 3 serial satellites had totalled up to nearly 30 years.
迄今为止，东方红三号系列卫星累计运行时间已近30年，积累了相当可观的故障数据。
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