variation method短语¹⁴⁴⁹⁷²⁺² 基本例句 变分法 The abrupt change and the slow change of leakage current are identified and detected by the continuous moving variation/span> method and the window moving variation method. 该技术是通过采用连续移动变化量法和窗口移动变化量法，实现突变漏电电流、持续缓变漏电电流的识别与检测。 cnki