短語詞組短語periodic real function [數(shù)]周期實函數(shù)periodic transfer function 周期傳遞函數(shù)periodic circular function [數(shù)]周期三角函數(shù)periodic scaling function 周期尺度函數(shù)periodic autocorrelation function 周期自相關(guān)函數(shù)periodic c function 周期函數(shù)periodic selectivity function 周期選擇性函數(shù)periodic trigonometric function [數(shù)]周期三角函數(shù)periodic curvature function 周期性曲率函數(shù) 返回 periodic function