文章给出在发射静止卫星过程中，固体远地点发动机点火时间和点火姿态的最佳值确定方法。
This paper provides a method for determining the optimum time and attitude in process of geostationary satellite launch at which the solid-apogee motor to be fired.
据有关方面初步调查，卫星的远地点发动机因燃料阀发生故障不能正常运转是造成失败的原因。
According to preliminary investigations by concerned parties, the cause of the failure was that the satellite's apogee engine was unable to normally operate because of a breakdown in the fuel valve.
据有关方面初步调查，卫星的远地点发动机因燃料阀发生故障不能正常运转是造成失败的原因。
According to preliminary investigations by concerned parties, the cause of the failure was that the satellite's apogee engine was unable to normally operate because of a breakdown in the fuel valve.
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