“天空实验室计划”的目的是，研究一个人在太空中的失重状态下长时间生活和工作的能力。
The objective of the Sky Lab Mission was to study a person's ability to live and work for extended periods in the weightless conditions of space.
“天空实验室计划”的目的是，研究一个人在太空中的失重状态下长时间生活和工作的能力。
The objective of the Sky Lab Mission was to study a person's ability to live and work for extended periods in the weightless conditions of space.
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