严格的训练 meaning in Chinese

rigid discipline

They were good men, well trained in night action .
他们是精选的士兵，都对夜战受过严格的训练。
Once the size of the expedition had been determined, it was possible to go ahead with intensive training .
远征部队的规模一经确定，就立即可以进行严格的训练。
That is especially devised for them
宇航员必须接受专为他们制定的最严格的训练
Hard training will fit them to run long distances
严格的训练将使他们能跑长距离。
Astronauts must have the most rigorous training
宇航员必须接受专为他们制定的最严格的训练

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