Without gravity to help circulate air, the carbon dioxide you exhale has a tendency to form an invisible cloud around your head.
如果没有重力帮助空气循环，你呼出的二氧化碳会在你头顶周围形成一个看不见的云状物。
One thing that physiologists have learned is that without gravity our bodies begin to lose strength, leaving astronauts with weakened bones, muscles and cardiovascular systems.
生理学家发现，失去重力后身体会失去力量，这使得宇航员骨质疏松、肌肉松弛，心血管功能也相应退化。
Without gravity, there would be no air or sound of any kind.
如果没有地心引力，就没有空气和任何声音。
Without gravity, there would be lots of things we couldn't do.
没有地心引力，有很多事我们就不能做。
Without gravity there will be no air and no sound of any kind.
如果没有重力，就不会有空气和任何声音。
Without gravity there would be no air and no sound of any kind.
如果没有地心引力，将不会存在空气和任何声音。
And for the sake of simple, we considered a 2d model without gravity.
为简单起见，本文主要考虑的是一个二维无重力模型。
Well, that is the difference between the equation with gravity and without gravity.
该差值即是存在重力,与不存在重力方程的解之差。
Without gravity, our bodies may get weak, so we'll have to do exercises every day.
如果没有万有引力我们的身体将变得很虚弱。
If you're a designing an airplane, it would be a lot easier without gravity as a concern, but hey, it's not going away.
如果你在设计一架飞机，显然没有重力会容易得多，但是那也就不是飞机了。
Will humans grow taller and taller in the space station without gravity? If a baby born there, will he grow taller than Yao Ming?
空间站里没有重力，人会不会越长越高？如果有个宝宝出生，是否会长得比姚明还高？
The broadcast showed how the astronauts lived on the spacecraft. It showed their instruments, food storage, and details of how they moved and worked without gravity to give them weight.
这段节目展现了宇航员们宇宙飞船里的生活情况，展示他们的航天器械、食物储存以及他们在没有地心引力身体失重的情况下如何移动和工作的细节。
The results indicate that the average velocity at inlet, discharge and output power of the turbine are higher when gravity is considered, but the efficiency is almost the same as that without gravity.
计算结果表明：考虑重力后，水轮机进口断面的平均速度、流量和功率都比不考虑重力时大，但效率相差不大。
Without that gravity helping you out, you'll have to push yourself constantly, and that isn't very sustainable.
没有那种重力帮助你摆脱困难，你将必须不断地推动自己，并且不是能保持的。
I don't need gravity to have a relative scale of masses so I can determine the relative scale of these masses without ever using the force.
无需运用重力来确定物体质量相对值，就算在没有重力条件下，我们也能确定质量相对值。
You typically use this sensor when you want to obtain acceleration data without the influence of gravity.
当你想获取不受重力影响的加速度数据的时候，你通常会选用这种传感器。
RESULTS: the whole overall dimensions were correspondent to the com-mon wheelchairs without IBOT3000 complicated top gravity balance sys-tem and the cost of production significantly decreased.
结果：整个外形尺寸相当于普通的轮椅，没有IBOT 3000复杂的陀螺重心平衡系统，制造成本明显降低。
Ultimately, the team's goal was to achieve added ground clearance without altering the vehicle's center of gravity.
归根结底，球队的目标是实现增加离地间隙在不改变车辆的重心。
Modern petroleum exploration is unthinkable without the AID of magnetism, gravity, and seismic surveys in finding potential petroleum traps.
利用现代石油勘探手段寻找潜在的石油圈闭时，如果没有地磁、重力和地震勘探，是不可想象的。
Because the craft is excluded from the planetary gravity, the crafts are capable of fantastic acceleration and sharp turns in high speed without the crew inside the craft feeling any G-force effects.
由于飞船被排除来自行星的引力，飞船有能力作出色的加速，和高速急转弯，而船内的船员无感到任何G力的影响。
PMTS skiers learn how to relax into a new turn by using movements that allow the body to move without pushing against the slope and gravity .
并联机床滑雪者学习如何成为一个新的转折，放宽利用运动，让身体在没有在斜坡重力推进。
For the three-phase flow gravity heat pipe without built-in pipe, the equivalent convective heat transfer coefficient increases as the heating power increases.
对于无内置管的三相流重力热管，随着加热功率的增加，等效对流传热系数增大。
Because the water reduces the effects of gravity on your body, you can lie on your back to do the backstroke without risking the impaired blood flow such exercises can cause on dry land.
因为水会减轻身体受到的重力作用，你可以躺着游仰泳，从而避免在陆地上做运动引起的血液流动受阻的现象。
We may even find ways of applying forces such as magnetism or gravity for driving machinery without using any other means.
我们甚至还可以想方设法把磁力或重力等力量应用到机器动力上而无需使用其它任何方法。
It has been proved by practice that, compared with gravity retaining wall without diagonal bracing, the bracing can reduce the cost of gravity retaining wall greatly while enhancing the reliability.
实践证明，采用竖向斜撑后，可以降低重力式挡土墙围护造价，而且提高了围护结构抗倾覆可靠性。
It has been proved by practice that, compared with gravity retaining wall without diagonal bracing, the bracing can reduce the cost of gravity retaining wall greatly while enhancing the reliability.
实践证明，采用竖向斜撑后，可以降低重力式挡土墙围护造价，而且提高了围护结构抗倾覆可靠性。
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