全文摘编如下: Our monthly What Worries the World polling finds the majority of Americans think things in their country are on the wrong track these days (63% in July ... meaning the ultimate cost (including ...
我国在酒泉卫星发射中心成功发射的可重复使用试验航天器,在轨飞行268天后,于9月6日成功返回预定着陆场。 A reusable experimental spacecraft successfully returned to its scheduled landing site on September 6. The spacecraft, launched from the Jiuquan ...