annual deviation 中文意思是什麼

annual deviation 解釋
年變支
  • annual : adj. 1. 每年的;年度的;一年(一次)的。2. (植物)一年一生的,一季生的。n. 1. 一年生[一季生]植物。2. 年刊,年報,年鑒。adv. -ly 年年,每年。
  • deviation : n 1 脫離,越軌,背離 (from) 。2 偏向,偏差。3 (統計上的)誤差。4 【航海】(故意)偏航。5 【數...
  1. The resuts showed that the annual average temperature had an increasing trend ; summer, autumn and winter average temperature also had an increasing trend and the amplitude in winter was bigger ; the change of standard deviation and coefficient of variation were acute during winter ; the coefficients was bigger ; the change of standard deviation and coefficient of variation were acute during winter ; the coefficients of skewness were positive value during summer and autumn ; the kurtosis coefficients were bigger during winter

    得出如下結論:和田地區年氣溫有增加的趨勢;夏季、秋季、冬季氣溫也有增加的趨勢且冬季氣溫值增幅較大;標準差及變差系數都是冬季變化較為劇烈;偏度系數在夏季及秋季為正值;峰度系數值在冬季較大。
  2. The impacts of soil and water conservation on river flow and soil - hydrology of jia - lu - he, tu - wei - he, pian - guan - he and qiu - shui - he catchments have been analyzed by the simulation and on - spot measuring methods according to data of during 1950 ' s to 1990 ' s. the selected catchments of the above four all are in the key area of soil and water conservation on the loess pleatu. the main results are as follows. the trend, reasons and critical year of annual river flow " change have been researched by rank correlation and maximum deviation division

    本文以黃土高原水土保持重點區的佳蘆河、禿尾河、偏關河和湫水河等四條流域為代表,採用定量與定性、模型模擬與實測對比相結合的方法,系統分析了上世紀50 90年代時段內水土保持對河川徑流及土壤水文的影響,取得主要結果如下:採用秩相關和極差分割等定量評價方法,分析了四條支流徑流量變化趨勢、變化原因及發生明顯變化的臨界年份。
  3. In finance, standard deviation is applied to the annual rate of return of an investment to measure the investment ' s volatility ( risk )

    在財務中,標準偏差適用於年度的投資回報率以衡量投資的不確定性(不穩定性) (風險) 。
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