The paper summarizes global progress made in recoverable satellite development in the...

本文介绍了近十年来，世界各国在研制返回式卫星方面取得的进展。

youdao

The paper summarizes global progress made in recoverable satellite development in the...

本文介绍了近十年来，世界各国在研制返回式卫星方面取得的进展。

youdao