... per unit area concentration 单位面积浓度 per unit volume concentration 单位体积浓度 per 程序事件记录 ...
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以单位面积下漂移区自由载流子浓度为基础，得出漂移区电阻的解析模型。
The drift drain resistance model is derived from the free carrier concentration analyzing in the drift region.
提出了通过比较金刚石施加给岩石单位面积的压力与岩石抗压强度来设计金刚石浓度；
The design plan of diamond concentration is submitted by comparing the pressure of rock unit area forcing by diamond with crack strength of rock;
将测得的CO2浓度值代入计算公式，即可求得标准大气压下某一深度土壤单位面积、单位时间内的CO2通量值。
The measured CO2 values are substituted in a formula to calculate the CO2 flux per unit area and per unit time at different depths under standard atmospheric pressure .
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