It is the ratio of the Planck constant to its momentum.
那就是普朗克常量，比上它的动量。
Make sure you prefix this defined constant to all required or included file paths.
确保在所有需要或包括的文件路径前面加上这个已定义的常量作为前缀。
This allows changing the value of a constant to change all instances of it throughout the code at once.
这允许通过更改一个常量的值来改变它的所有实例的值。
Moreover I will establish his kingdom for ever， if he be constant to do my commandments and my judgments， as at this day.
他若恒久遵行我的诫命典章如今日一样，我就必坚定他的国位，直到永远。
Set this constant to a non-zero value to enable diagnostic messages to be printed or set it to zero to suppress them.
将这个常量设置为非零值，以便显示诊断消息；或者将其设置为零，以便抑制诊断消息。
That historical data, he said, is less reliable than the Table itself, causing the argument for the GMT constant to fall "like a stack of CARDS."
他还说，但这些历史数据的可靠性比周期表要小，GMT算法失去了依据，因而是错误的。
At the other end of the scale , life is a constant struggle to get enough to eat.
对于处在社会最底层的人来说，生活就是为吃饱肚子而不断挣扎的过程。
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.
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。
Some desalination plants exist where feasible, but they are costly to run and can need constant repair.
在可行的地方有一些海水淡化厂，但它们的运营成本很高，并且需要经常维修。
Vanity is a constant; people will only start shopping more sustainably when they can't afford not to.
虚荣心是永恒的；人们只有在不能承受放纵购物的时候，才会开始节制购物。
We're not going to have the constant pressure heat capacity, but the constant volume heat capacity.
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。
The constant repetition of violence has blunted the human response to it.
持续不断的暴力事件使人们对它的反应减弱了。
What sets Rice apart from most engineers is his constant desire to innovate and experiment.
赖斯与大多数工程师不同之处在于他不断地渴望创新和实验。
She suggests that women are under constant pressure to be abnormally thin.
她提出女性受持续的压力之下要异常苗条。
He is resigned to the noise, the mess, the constant upheaval.
他对噪音、杂乱和持续动荡逆来顺受。
The events business, she said, was crucial to the group in that it provides a constant revenue stream.
她说承办活动的业务对于集团至关重要，因为它是一个持续的收入来源。
She objects to the constant testing because it constricts her teaching style.
她反对频繁地测试，因为这约束了她的教学风格。
It's a constant struggle to try to keep them up to par.
要使他们达到标准是一场持久战。
His constant moaning was beginning to jar on her nerves.
他不停的呻吟使她焦躁不安起来。
The threat of losing their jobs is a constant source of worry to them.
丢掉工作的威胁时常使他们忧心忡忡。
Constant criticism is enough to demoralize anybody.
频繁的批评足以使任何人意志消沉。
His constant joking was beginning to annoy her.
他不停地开玩笑，已开始惹她生气。
Jane's constant chatter was beginning to annoy him.
简无休止的唠叨开始使他心烦。
I can't listen to his constant babble.
我听不得他那没完没了的瞎扯。
It allows the train to maintain a constant speed through the twists and turns of existing track.
它可以让火车在现有蜿蜒盘旋的轨道上保持匀速。
Constant vigilance is needed to combat this evil.
同这种邪恶作斗争需要时刻保持警惕。
Over the course of years, there have been some constant factors to make Valentine's Day special for those lovely ladies.
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。
For the Earth to maintain a constant average temperature, such emissions from the planet must balance incoming solar radiation.
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。
They thought that if the Earth itself was moving, there would have to be a constant wind blowing, sweeping them off their feet, and of course there wasn't.
他们认为，如果地球在运动的话，那么就会有风不断吹来，把他们刮倒——当然了，这种风并不存在。
Learning to be mature and sensible can prevent us from becoming a constant source of worry to them.
学着变得成熟和理智可以防止他们不断为我们担心。
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