variation of the poles 中文意思是什麼
variation of the poles
解釋
極變，極動-
The temperature variations during a year have maxima at the poles, where the annual variation of the inflow of solar energy is also maximum.
兩極地區一年溫度變化極大，太陽能入射量的年變幅也極大。 -
The key of the method is that it takes a changing distance of the transmission line as a constant horizontal distance between poles, and all of the influential factors come down to the variation of the parameters of transmission line. the algorithm and technique proposed is simple in form, easy in process, and need no more new hardware. it is of great value for the two - terminal or multi - terminal location of all kinds of transmission line
本文提出的輸電線路參數在線估計演算法和技術的核心內容是取變化的線路長度為固定的桿塔間的水平距離，而把所有影響線路參數變化的因素當作一個整體，全部歸為參數的變化，這種線路參數在線估計演算法和技術具有演算法簡單、實現容易的優點，且不需要再增加新的硬體投入。
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