The most desirable is the direct method of sampling the surface of the equipment.
最可取得方法是从设备表面直接取样。
The errors of harmonic wave analysis and direct sampling in electric parameters measurement are analyzed. The method to minimize errors is presented.
分析了电力参数微机监测中的直接采样计算法与谐波分析法的误差，并提出了减小误差的方法。
The direct sampling and the reciprocity method are applied to the calculation of the flux measured by a detector.
采用直接抽样法和倒易方法计算探测器的通量，得到了一致的结果。
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