decade unit 中文意思是什麼
decade unit
解釋
十進數器件-
In the last decade, there exist two active lines on the investigation of nonlinear time series. one is the autoregressive conditional heteroscedasticity ( arch ) model, the another is the nonstationary ( unit root ) time series model
對非線性時間序列的研究，近幾十年來，有兩條研究路線非常活躍，其一是自回歸條件異方差（ arch ）模型，其二是非平穩（單位根）時間序列模型。 -
Over the past decade, european firms have been much more successful than america in holding down unit labour costs and thus remaining competitive
在近十年來，歐洲公司在降低單位勞動成本方面也比美國公司作的更好。
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