查询词典 weightlessness

ECG of the subjects under aerospace stress conditions including acute altitude liypoxia, pressure breathing, acceleration, weightlessness, low body negative pressure and explosive decompression and non-pathologic ECG of athletes ,aviators and common workmen were reviewed.

本文概述了航空、航天应激心电图(高空急性缺氧，加压供氧、加速度，失重，高温、下身负压与爆炸减压)、运动员与飞行员以及普通工作人员的非病理性心电图。

Caption:: In space, instrument repairs and module installations, mostly are done by extravehicular activities carried out by astronauts in weightlessness.

在太空中，仪器维修和组件装配工作，很多都需要太空人进行舱外活动，在无重状态下进行。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。