于是，国家航空和航天局的飞行指挥员告诉他们准备“飞向”月球。

So, the NASA flight director told them they were "go" for the moon.

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为缩短飞行指挥员的训练周期，提高训练效率，降低训练成本，设计并实现了基于PC的飞行指挥训练系统。

In order to improve the level of training flight commander, improve training efficiency, reduce training costs, the "PC-based training of the simulator of flight command system" was developed.

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