quasi-periodic variation 中文意思是什麼
quasi-periodic variation
解釋
擬周期變化-
( 2 ) summer rainfall of north china exists periodic variation of quasi - three years and six years, and. spring, autumn and winter also exist periodic variation of quasi - three years
（ 2 ）華北地區夏季存在3年左右的主周期及6年左右的次周期，春、秋、冬三季都存在3年左右的主周期。 -
29 representative stations of northwest china are selected using eof analysis, and the detailed results of characteristics are given for temporal and space variation of interarmual change and decadal change. the main conclusions are followed : ( 1 ) the tendency of precipitation in northwest china is positive to the west of 103 e longitude and opposite to the east of it. there is a periodic oscillation of quasi - three years of precipitation and a mutation in the middle of 80s in spring precipitation of northwest china
用eof分析方法選取西北地區29個代表站，分別對其春季和夏季近50a降水進行年際變化和年代際變化時空特徵分析，結果發現（ 1 ）西北地區近50a降水時空趨勢變化以103 e為基準線，以西為正，以東為負，並有準3a的振蕩周期， 80年代中期西北地區春季降水出現了氣候突變。 -
The results showed that the whole distribution pattern of winter chilling damage in guangdong had quasi - 8 year periodic variation, and the south - north distribution pattern had quasi - 22 year periodic variation. generally speaking, the periodic variation of winter chilling damage in guangdong had quasi - 8 year mainly oscillation
結果發現，廣東冬季寒害的整體分佈型具有準8年的周期變化；南北分佈型具有準22年的周期變化；綜合而言，廣東冬季寒害具有準8年主要振蕩的周期變化。 -
Northeast china floods season precipitation take place a mutation in 1967. the distribution of northeast china floods season precipitation anomalies shows different phase in different years. ( 3 ) northeast china precipitation anomalies shows complex periodic variation in different seasons and in different years, but all the season exist periodic variation of quasi - three years and over 10 years to different extent
汛期降水異常的空間分佈在不同年代有不同的位相分佈特徵（ 3 ）東北地區降水不同季節不同年代表現出了較為復雜的周期特徵，其中各季都表現出了明顯的準3年振蕩的周期特徵，同時還不同程度存在10年以上的周期。
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