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| By flying outside the spacecraft in the atmosphere and conduct exploration work: Astronauts | conduct space experiments. |
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| Astronauts. That man-made earth satellite, spacecraft and other space outside the solar system navigation |
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| Astronauts short. |
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| With space-related. Such as: Astronaut. |
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yu hang
“宇宙航行”的简写,也就是在太空中航行。 |
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- : Yu Hang
- n.: astronautical navigation; astronautics, space flight
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- n. navigation spatiale
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| astronaut | a `spacesuit | space agency | |
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