基本解釋相對頻偏英漢例句雙語例句A analytic formula about the measuring value of active power and power factor of periodic signal as a function of the relative frequency deviation and the sampling initial phase(or time) is derived;推導出任意電壓、電流信號的有功功率、功率因數(shù)隨相對頻偏及採樣相位變化的一般公式； 傳統(tǒng)算法的有功功率、功率因數(shù)的測量誤差與相對頻偏成正比；relative frequency deviation更多例句專業(yè)釋義動力與電氣工程相對頻率偏差