[數(shù) 統(tǒng)計(jì)] 時(shí)間序列的不規(guī)則變動(dòng) series of variation: 變異序列variation series: 變異數(shù)列time variation: 變化性; 季節(jié)性變化; 隨時(shí)間變化; 隨時(shí)間的變化time-variation: 時(shí)變; 隨時(shí)間變化; 隨時(shí)間而變的變化variation with time: 隨時(shí)間變化下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯