The two space vehicles docked in space and exchanged astronauts.
两个宇宙飞行器在外层空间对接并交换宇航员。
The expanded Expedition 23 crew will continue science investigations and support two space shuttle missions to the station.
经过扩充的“远征23队”将继续科学调查工作，并对未来两架抵达空间站执行任务的航天飞机提供支持。
Annihilating dark matter at the heart of the Milky Way could account for signals detected by two space telescopes, according to a pair of US physicists.
据两位美国物理学家称，银河中心暗物质湮灭的这一设想，可以解释近年来两台空间望远镜探测到的信号。
Thee two space vehicles docked in space and exchanged astronauts.
两个宇宙飞行器在外层空间对接并交换宇航员。
Structural lock is an electromechanical equipment that connects rigidly two space shuttles together.
结构锁是实现两航天器空间对接的机电装置。
In this paper, we mainly compare the performance of the two space-time codes in many aspects, such as design criterion, transmission rate, diversity gain, code gain and arithmetic complexity etc.
在本文中，本文对这两种编码方式在设计准则、传输速率、分集增益、编码增益和算法复杂性等方面进行了较为详尽的比较研究。
Two space walks for maintenance work and component installation are scheduled during the 11-day mission, Discovery's last.
发现号的最后11天的任务中包括两次太空行走进行维护和部件安装工作。
Carl Sagan was a member of the scientific team that sent the Voyager One and Voyager Two space vehicles out of our solar system.
卡尔.萨根还是航行者一号和航行者二号的科研小组成员，航行者一号和二号是两艘飞往我们太阳系以外星系的探测器。
Two space-tourism companies are planning rival lunar missions that could see private individuals paying to fly to Earth's nearest celestial neighbour.
两个空间旅游公司计划在月球项目上竞争以使私人个体可以掏钱飞上地球最近的天体邻居。
Two space-tourism companies are planning rival lunar missions that could see private individuals paying to fly to Earth's nearest celestial neighbour.
两个空间旅游公司计划在月球项目上竞争以使私人个体可以掏钱飞上地球最近的天体邻居。
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