uk study news
英国研究新闻
以上为机器翻译结果，长、整句建议使用 人工翻译 。
"It is fair to say this is an optimistic look forward, and the situation will be worse than what we presented in the study, " the UK Space Agency delegate to the IADC told BBC News.
BBC: Space debris collisions expected to rise
应用推荐
模块上移
模块下移
不移动