permanent manned space station的意思|示意

The docking technologies are believed to be crucial for China's ambition to build a permanent manned space station around 2020.

对接技术对我国在2020年左右建立永久载人空间站计划至关重要。

The launch on June 25th, 2016 marks a key step towards China's plan to eventually operate a permanent space station, which is the final step of China's three-phased manned space program.

6月25日的发射标志着中国建立永久性空间站的关键一步，也是中国载人航天计划三个阶段的最后一个阶段。