为了使地球保持恒定的平均温度，来自地球的这种辐射必须平衡入射的太阳辐射。
For the Earth to maintain a constant average temperature, such emissions from the planet must balance incoming solar radiation.
工厂生活需要一个更严格的时间表，在那里，工作在铃声中开始，工人让机器以恒定的速度保持运行。
Factory life necessitated a more regimented schedule, where work began at the sound of a bell and workers kept machines going at a constant pace.
对于那些使用恒定的冰川融化的水作为饮用水的数百万人来说，冰川面积不断缩小是一个难题。
Shrinking glaciers are a problem for million is of people who use regular glacier melt for drinking water.
对一个有机体特定主体设计的维持是相对恒定的。
Maintenance for a given body design of an organism is relatively constant.
我们有一个密封的反应容器，它的体积是恒定的。
We'll have a reaction vessel that's sealed, it's constant volume.
我们在化学中所做的很多都是在恒定的温度和压强下进行的。
So much of what we do in chemistry does take place with constant temperature and pressure.
多年来，有一些恒定的因素使情人节特别适合那些可爱的女士。
Over the course of years, there have been some constant factors to make Valentine's Day special for those lovely ladies.
我们将不会具有恒定的压力热容量，而是具有恒定的体积热容量。
We're not going to have the constant pressure heat capacity, but the constant volume heat capacity.
相对湿度恒定的假设是重要的，因为大气中的水蒸气是红外波长辐射的另一种有效吸收剂。
The assumption of constant relative humidity is important, because water vapor in the atmosphere is another efficient absorber of radiation at infrared wavelength.
由于P波和S 波以不同但相当恒定的速度传播，它们到达的间隔与到震源或初始破裂点的距离成比例地增加。
Because P and S waves travel at different but fairly constant speeds, the interval between their arrivals increases in proportion to the distance from the earthquake focus, or initial rupture point.
负责南安普顿研究的AbuBakr Bahaj说：潮汐流的能源前景比风能要好得多，因为水流是可预测和恒定的。
AbuBakr Bahaj, in charge of the Southampton research, said: The prospects for energy from tidal currents are far better than from wind because the flows of water are predictable and constant.
在15世纪早期，人们发明了螺旋弹簧或均力圆锥轮，尽管它的主弹簧的张力不断变化，但仍能对计时装置的齿轮保持恒定的力。
In the early 1400s came the invention of the coiled spring or fusee which maintained constant force to the gear wheels of the timekeeper despite the changing tension of its mainspring.
还有，它以一个恒定的速度移动。
我们假设，这些过程中温度都是恒定的。
I've assumed the temperature is constant in all these things.
这种“遗传漂变”以恒定的速率产生结果。
同时，“点击加速度”看起来也不是恒定的。
好，现在系统有恒定的温度，因为它是绝热的。
OK, so we have constant temperature, because it's isothermal.
如果a是恒定的，a怎样变化？
只要压强是恒定的。
这是我们的物理规律保持恒定的最好的检验。
That's one of the best tests we have of the constancy of the laws of physics.
这仍然是绝热的，是隔热的，但现在它的体积是恒定的。
So this is still adiabatic. It's insulated, but now it's constant volume, OK.
考虑链式法则，还应该再乘以恒定的温度下的。
这个开销是恒定的，并不取决于事务所做的工作。
This overhead is constant and not otherwise dependent on the work done by the transaction.
但是灭绝的速度同一个恒定的常数有着相当大的距离。
你力所能及的时候可以去调停，但不必有恒定的标准。
这种感觉像是焦虑，像一种恒定的做错了什么的不安感。
It feels like anxiety, like a constant unsettling sense that something is wrong.
如果你知道状态方程，知道在体积恒定的时压强如何随着温度变化。
You know how pressure changes with temperature at constant volume if you know the equation of state.
这是一个恒定的事实：就算你什么事情也不做一个小时照样过去了。
It's also constant: you don't have to do anything to make an hour go by.
当你继续研究比较昂贵的变焦镜头时，你会发现它们有着恒定的光圈。
As you move onto the more expensive zoom lenses, they maintain a constant aperture.
当你继续研究比较昂贵的变焦镜头时，你会发现它们有着恒定的光圈。
As you move onto the more expensive zoom lenses, they maintain a constant aperture.
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