The US space station Skylab came back partially uncontrolled in 1979. Parts of the station fell in western Australia, but no one was hurt.

1979年，美国空间站“天空实验室”在返回时部分失控。部分空间站坠落在澳大利亚西部，但没有人受伤。

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But no one seems certain where Americans should go next in space.

但似乎无人确定美国人在太空下一步去哪里。

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These fields will have no semantics, but they will take up space (even if they're optional, they still logically exist) so your clients will know about them from day one.

这些字段没有语义，但是他们将占据空间(即使如果他们是可选的，他们仍在逻辑上存在)所以在日后您的客户端将知道他们。

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One day Orion might be able to take astronauts to space, but at the moment no one can even say how much it will cost, when it will fly, where it will fly or even on which launch vehicle.

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The stories have no one location but occupy a virtual space of a kind writers were using long before anyone had heard of the Web.

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Ridley Scott might like to say no one can hear you scream in space, but another application loaded onto the device will put that to the test by playing user-submitted shrieks and recording them with the handset's microphone as they playback.

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