作为空间计划中的飞行器，航天飞机令人失望，它的成本太高，而且发射间隔时间太长。
The space shuttle, the workhorse of the space program, proved to be somewhat of a disappointment, with large cost overruns and long delays.
叙述了质心干扰中箔条弹、红外弹发射间隔时间不当的危害，通过公式推导给出了计算发射间隔时间的方法及步骤。
Describing chaff cartridge?IR flare's dispensed interval time is not correct which could be cause the damage in the centroid jamming.
叙述了质心干扰中箔条弹、红外弹发射间隔时间不当的危害，通过公式推导给出了计算发射间隔时间的方法及步骤。
Describing chaff cartridge?IR flare's dispensed interval time is not correct which could be cause the damage in the centroid jamming.
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