I suppose that's the atmospheric pressure.
我想是气压的问题吧。
What is atmospheric pressure in your position?
你船处的大气压是多少？
And first of all, there's just atmospheric pressure.
首先，这里有大气压。
The barometer marked a continuing fall in atmospheric pressure.
气压表表明气压在继续下降。
As the vapor condenses into rain, the local atmospheric pressure drops.
当水汽凝成雨水，会造成局域性的大气压力下降。
A simple instrument for indicating changes in atmospheric pressure.
显示大气压力变化的简单装置。
The atmospheric pressure at the surface is only 1% of that on Earth.
在表面的大气压力只有1%的是地球上。
Atmospheric pressure is the weight of all that air against the surface of the earth.
大气压就是压在地球表面上的所有空气的重量。
Eventually, the balloon will grow from lack of atmospheric pressure, burst, and begin to fall.
最终，气球会因为大气压力爆炸，开始降落。
When the external pressure is below atmospheric pressure, the boiling point will be lower .
当外界压强低于一个大气压时，水的沸点就降低。
They were doing all their experiments at atmospheric pressure. They were getting a first order rate.
他们在大气压强下做所有的实验，他们得到一级速率。
A device used to sample air in order to measure wind speed or airspeed and atmospheric pressure.
取样空气的一种仪器，它便于测量风速或是流速和大气气压。
This decreases the quantity of air in that area, and therefore decreases the atmospheric pressure.
这使得该地区的空气质量减小，因此减少了大气压强。
Atmospheric pressure decreases with increase in altitude and so does the density of the atmosphere.
大气压力随高度增加而降低，大气密度也随着高度增加而降低。
Other things being equal, Johannesburg has an atmospheric pressure around 81 per cent that of Cape town.
假设其他情况等同，约翰内斯堡的大气压力大约是开普敦的81%。
When the line pressure to atmospheric pressure, open the ball tube, check pigging or caliper effect.
当管线内压力降到大气压力时，打开收球筒，检查清管或测径效果。
Altimeter SETTING, the adjustment of the altimeter to account for local variations in atmospheric pressure.
高度表设定，根据当地大气压力变化而对高度表所做的调整。
As altitude increases, atmospheric pressure decreases, thus exerting less "push" on the water entering the pump suction.
当海拔高度增加，大气压力减少，从而减少了作用于进入水泵的水的压力。
And only recently have researchers been able to make plasmas at a steady 35 to 40 degrees Celsius and at atmospheric pressure.
直到最近，研究人员才能够在35至40摄氏度和大气压下制造出等离子体。
The Xoom also features a gyroscope as well as a barometer for measuring the atmospheric pressure while the HP PalmPad has a gyro.
Xoom还提供陀螺仪，和测量大气压的晴雨表，当然HPPalmPad上也有陀螺仪。
Then the material in the feeding tank enters the feed hose and the charging cylinder via the tee piece under atmospheric pressure.
供料桶内的物料被大气压力压入出进料软管，通过进出料的三通管进入料缸。
At this altitude, atmospheric pressure is considerably less than at sea level, so the carbonated bubbles in beer escape more rapidly.
在这个海拔上，大气压远远低于海平面，所以啤酒里的气泡会被更快地释放出来。
At this altitude, atmospheric pressure is considerably less than at sea level, so the carbonated bubbles in beer escape more rapidly.
在这个海拔上，大气压远远低于海平面，所以啤酒里的气泡会被更快地释放出来。
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