components of time series時(shí)間序列: time series的: 4次方是 The fourth power of 2 i ...部分: part; section; portion時(shí)間序列的峰: peak in time series時(shí)間序列的凹點(diǎn): trough in time series下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯