The aim of this flight was to test the new shuttle system, to go safely up into orbit and to return to the Earth for a safe landing.
这次飞行的目的是为了测试新的航天飞机系统能否安全的进入轨道和安全的返回地球着陆。
Use shuttle box test to measure the learning and memory ability of each group.
穿梭箱实验检测各组大鼠学习记忆能力。
Use shuttle box test to measure the learning and memory ability of each group.
穿梭箱实验检测各组大鼠学习记忆能力。
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