constant quantity

常見例句

The article focuses on quantity analysis, discussion of using constant quantity instrument to do semimicro chemical analysis experiment.
本文圍繞定量分析實驗中，利用常量儀器進行半微量化學(xué)分析進行探討。
In this paper, we put forward a constant quantity method of selecting coal layer with fuzzy classification by means of coal deposit factors and so on.
采用模糊劃分（軟劃分）法，按煤層賦存等因素，給出選擇煤層回采工藝的定量方法。
According to some disadvantages in the disposal process of the perturbation method, the concepts of perturbation quantity, constant quantity and stepwise disposal have been introduced.
本文針對目前電磁理論微擾法處理中的某些不足，提出微擾量、不變量和逐級處理這三個概念。

If you have a quantity which is constant over any closed path, that quantity is a thermodynamics state function.
如果有一個物理量,對任何閉合回路積分是常數(shù)，這個物理量就是一個熱力學(xué)態(tài)函數(shù)。
麻省理工公開課 - 熱力學(xué)與動力學(xué)課程節(jié)選
Then we can take the derivative of that quantity, when we vary the temperature, holding the volume constant.
即恒定體積，改變溫度，這里恒定溫度下。
麻省理工公開課 - 熱力學(xué)與動力學(xué)課程節(jié)選
And that implies that since the quantity we want is given by this quantity, which is zero times a constant, the quantity we want is also zero.
因為我們需要的量,是由這個量乘以一個常數(shù)，因為這個量是零，因此我們需要的量也是零。
麻省理工公開課 - 熱力學(xué)與動力學(xué)課程節(jié)選

With work dominating our lives in so many ways and with the constant expectations to produce a quantity of quality results, it only makes sense that we should be having fun along the way.
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No legislator has ever overturned the law of demand, which says that when the price of labor rises, the quantity demanded will fall (assuming other things are constant).
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