Discussed are the method for measuring oil water interface, calculation formulas and control principles.

讨论了油水界面的测量方法，计算公式和控制原理。

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It uses Fourier series in expanding calculus, to achieve the measuring and calculation of volt, current, power factor and quantity of electricity.

采用傅里叶级数展开计算法、实现对电压、电流、功率因数和电量的测量和计算；

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The principle, equiPment, calculation method and measuring results are described in detail.

本文详细介绍了该装置的原理、设备、计算方法以及测定结果。

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So we are measuring the negative externalities against the market calculation, rather than all externalities against all externalities.

FORBES: Pollution Costs More Than What is Produced to Make the Pollution