中国推出首个太空对接任务。中国计划建立一个空间站聚集势头,成功发射了首个空间站实验室模块。这个8.5吨重的单元是测试空间站交汇对接能力的设备。
China launches first space docking mission
China's plan to build a space station has gathered momentum after successfully launching its first space laboratory module. The 8.5-ton unit is part of an experiment to test space rendezvous and docking capabilities.