| 1. | Without any foreign assistance , china has independently developed intermediate and short - range missiles , long - range rockets , submarine - launched solid - propellant rockets , recoverable satellites , the technology to launch multiple satellites atop a single rocket , and geostationary communication satellites
中国的中近程导弹、远程火箭、潜艇水下发射固体燃料火箭、返回式卫星、一箭多星、地球静止轨道通信卫星都是在没有任何外国帮助下独自完成的。 |
