How many people working in the space programme can go into space in the end?
在太空计划中工作的人最终有多少能进入太空?
Space Policy Directive-3 lays out general guidelines for the United States to mitigate the effects of space debris and track and manage traffic in space.
《空间政策指令3》为美国制定了一般性指南,以减轻空间碎片的影响以及跟踪和管理太空交通。
Likewise, when in outer space, when you are orbiting the Earth, people are always floating around in these space stations.
同样,在外太空中,当您绕地球运行时,人们总是在这些空间站中四处漂浮。
The United States space agency already uses an Aircraft Birdstrike Avoidance Radar at the Kennedy Space Center in Florida.
VOA: special.2009.04.01
It means that the properties of the system, the properties that describe the system, don't change in time or in space.
它的意思是指,用以描述系统的性质,不随时间或空间改变。
For the adult learner, the technology has the capability of freeing us in terms of time and space.
对成年学习者而言,技术能够让我们免受,时间和空间的限制。
应用推荐