It was not supposed to be used until they got to the Moon. It had no heat shield, so could not be used to re-enter the Earth's atmosphere. But it could keep them alive until they got there.
其中 Φ(x)是标准正态分布 CDF。
But, as Nikita Mitchell explains, that isn't limited to big, on-camera set pieces.，详情可参考体育直播
Мелания Трамп поблагодарила Россию02:10
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Марк Эйдельштейн привлек внимание иностранных журналистов на модном показе14:58
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