对于电介质来说，它是介电常数和介质损耗角的正切的乘积，这是对出现在电介质中的热效应的量度。
Of a dielectric the product of dielectric constant and the tangent of its dielectric loss Angle; a measure of the heating effect which occurs in dielectrics.
结果表明，随着电激励信号频率的增大，果品的电容、电阻以及损耗角正切值均减小；
The test results indicate that with the increase of frequency, the capacitance, resistance and losses tangent decrease.
介绍了利用微带电路来确定一组高性能、高频印刷电路板材料的介电常数和损耗角正切的方法，且给出了一组印刷电路板材料的特性测量值。
The paper introduces measurements about dielectric constant and tangential loss angle of a group of good function and high frequency printed electronic circuit plate with microstrip circuit.
电气设备绝缘预防性试验中的介质损失角正切的测量，则是一种使用较多而且对判断绝缘较为有效的方法。
The measurement of dielectric loss angle is one of the main methods in the preventive tests for the insulation of electrical equipment.
低损耗角正切，高稳定的性能。
在对介质损耗角正切值多种在线监测方法进行详细分析的基础上，选中频域分析法。
Based on detailed analysis about dielectric loss measuring methods, the Spectrum Analysis Method is selected.
有它，我们可以使用三角函数来求出两轴的反正切值并计算出角度；
With it, we could use trigonometry to find the inverse tangent of the two axis readings and calculatethe angle.
复合物的电磁损耗是磁损耗角正切值和介电损耗角正切值的综合结果。
The electromagnetic loss of the composites is a consolidated results of the magnetic and dielectric loss factors.
本发明具有高热导性和低损耗角正切性能，并且可具有较高的加工精度。
The present invention has high thermal conductivity and low loss Angle tangent and may have relatively high machining accuracy.
主要影响角正切是开采沉陷预计的重要参数，对于地表影响范围的确定具有重要的意义。
The tangent of the main influencing Angle is an important parameter for mining subsidence prediction and surface displacement range demarcation.
主要影响角正切是开采沉陷预计的重要参数，对于地表影响范围的确定具有重要的意义。
The tangent of the main influencing Angle is an important parameter for mining subsidence prediction and surface displacement range demarcation.
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