I've been working at NASA, developing hydropowered missile defense systems.我一直在太空总署工作, 研发氢气助推的导弹防御系统.Why has this article, this admission from NASA, emerged at this time?为什么NASA承认(事实)的这篇文章会在这个时候出现 呢 ?Fast enough, NA...
Why has this article, this admission from NASA, emerged at this time?为什么NASA承认(事实)的这篇文章会在这个时候出现 呢 ?Should NASA be split into separate science and astronautics agencies?nasa是否应解体成不同的科学与太空机构?NASA is hedging its bets and ad...