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| 我国首个空间实验室受控再入大气层（英文） | |
| 摘 要： | <正>China’s space lab Tiangong 2 successfully de-orbited and reentered the atmosphere in a controlled manner on July 19 after operating 1,036 days in space. A small amount of debris fell into a preset safety area in the South Pacific Ocean."TheTiangong2spacelabnotonlyhascarriedoutall plannedandextensiontasksperfectly,ithasfinallydrawntoa |
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