1.
It tested instruments for controlling a vehicle in the weightlessness of space.
试验了在太空失重状态下操纵航天器的仪器。
2.
Scientists always knew it would not be easy for humans to work in the weightlessness of space.
科学家们历来清楚，人在太空失重状态下工作绝非易事。
3.
Could people live in the weightlessness of space for that long?
人类在太空失重的条件下能不能生存那样长的时间呢？
4.
Essence contents Various kinds of EVA, factors influencing EVA (space weightlessness, spacesuit etc) ground training and space practice of EVA were recommended.
基本内容 舱外活动动作种类、影响因素 (太空失重和航天服等 )、训练与实践等。
5.
The astronauts soon got used to the condition of weightlessness.
太空人很快就习惯了失重状态。
6.
Medical tests found that the human body becomes used to weightlessness after about forty days in space.
医学检查发现，在太空生活大约40天后，人体就可以适应失重状态。
7.
"If you travel into space in a spaceship, you must adjust (yourself) to weightlessness."
"如果你乘航天飞船进入太空,你必须调整自己,以适应失重状态。"
8.
When travelling in space or orbiting round a planet, the feeling of weight which the force of gravity produces is gone.
在太空中飞行或绕行星飞行时，地球引力所产生的重量感会消失。
9.
There is a gravity-defying centrifuge to give visitors a ride that creates the same sense of weightlessness that space astronauts feel during space travel.
馆中有一个失重离心机，让旅游者体验失重的感觉，就像宇航员在太空遨游时的感受一样。
10.
gravitational physiology on spaceflight
太空飞行重力生理学
11.
The spacecraft re-entered the atmosphere.
太空船重返大气层。
12.
The spaceship re-entered the atmosphere.
太空船重入大气层。
13.
Some of the problems of living in the oceam, similar to those of living in outer space, are pressure, lack of oxygen and weightlessness.
生活海洋里的一些问题，与生活在太空中的问题相似，无非是压力、缺氧和失重。
14.
A spacecraft that can ex amine， refuel， or reprogram a satellite might also be capable of disabling， destroying， or deprogramming it.
能够对人造卫星进行检测、充燃料或重新编程的太空船，也可以使卫星失灵、坏或删除它的程序。
15.
The European Space Agency plans a second experiment in the coming months to test the effects of weightlessness in space on bone and muscle tissue.
欧洲航天局计划下周开展第二次试验，观察在太空中失重对骨髂和肌肉的影响。
16.
The loss could have been heavier, but that was cold comfort.
这次损失不算太重,但那并不值得高兴。
17.
Electrical Stimulation Effecton Bone Loss in the Spaceflight;
电刺激对空间失重所致骨丢失作用的研究
18.
"As the package of sample is overweight, airmailing would be too expensive."
由于样品包装过重,空邮费用太高