標準差 的英文怎麼說

中文拼音 [biāozhǔnchā]
標準差 英文
aecond defense
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 準 : Ⅰ名詞1 （標準） standard; guideline; criterion; norm 2 （目標） aim; target Ⅱ動詞1 （依據; 依照）...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 標準 : （衡量事物的準則; 榜樣; 規范） standard; criterion; benchmark; pip; rule; ètalon （衡器）; merits
  1. The positive square root of the variance is called the standard deviation.

    方差的正的平方根叫做標準差。
  2. Seventeen important morphological characters were analysed to identify and evaluate genetic diversity of morphology of the lespedeza populations. fourteen vital morphological characters were studied using basic statistics, correlation analysis, factor analysis and cluster analysis. zymograms were analysed using eighteen alleles of seven allozymes

    對14個關健形態學性狀指標的平均值、方差、標準差、變異系數等基本統計分析表明，胡枝子屬植物不同種間以及種內居群間在這14個重要形態學性狀上的遺傳差異較大，變異系數達28 . 89 122 . 36 （全生育天數除外，變異系數為4 . 72 ） 。
  3. It is shown by analyzing large test data that the empirical formula presented in the paper has higher linearly dependent coefficient, lower average relative error and relative standard deviation compared with the traditional empirical formula of orthoscopic and power function

    試驗數據表明，本文提出的經驗公式比傳統的直線式和冪函數式經驗公式的線性相關系數更高，且平均相對誤差和相對標準差都低。
  4. This study sampled 201 high school athletes ( males = 115 ; females = 86 ) with mean age of 16. 02 ( sd = 1. 73 ) and administered a paternalistic leadership scale, an emotional impression scale and an athlete burnout inventory

    以高中甲組運動員為受試對象共201位，平均年齡16 . 02歲，標準差1 . 73歲，使用的測量工具包括家長式領導量表、情緒測量、運動員競技倦怠量表。
  5. Based the value, the quality characteristic of different group processes can be expressed in the same control chart, the tendency of the current quality of the process may be predicted. at last, a case indicates that the approach is some piratical valuable

    利用變換后的特徵值，採用均值?標準差控制圖，把不同工序的質量信息表示在同一張控制圖上，識別當前工序的變化趨勢，監控過程的質量。
  6. Application of standard error of the random sample

    隨機誤差的標準差及其應用
  7. At the part vault and arch foot in the tunnel secondary lining thickness, the standard difference and variance parameter is large than others, so insure the part thickness achieve design require by adjust construction craftwork

    隧道二次襯砌厚度在拱頂和拱腳的部位的標準差和變異系數較大，在施工中應該考慮調整施工工藝，確保這兩個部位的厚度。
  8. We shall use the standard error of estimate as a tool in the same way that we can use the standard deviation.

    同標準差一樣，應該把估計值平均誤差當作一個工具。
  9. Study on asymmetrical standard deviation charts

    非對稱標準差控制圖的研究
  10. Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return

    在理論分析時，作者嘗試放鬆指數水平滿足隨機遊走過程的假設，推導出指數水平呈線性趨勢的資產組合選擇模型；此外，作者基於資產不可交易這一假設，提出了b股、 h股和非流通股等情形的資產定價模型，並基於系數、標準差、標準半方差、平均絕對離差和風險價值等風險度量指標以及流通市值、換手率、短期歷史收益率等因素變量提出了四因素資產定價模型。
  11. Second, carried out the fatigue life test of the truck ' s front axles adopted grouping fatigue life test method, calculated the results on theory of probability stats, linear fitted the fatigue life data by means of the basquin equation and least squares method, acquired the mathematical model of s - n and p - s - n curve of the front axles

    其次，採用成組試驗法，對汽車前橋進行了疲勞壽命試驗，藉助概率統計方法對試驗結果進行了分析計算，得到了各試驗載荷下的疲勞壽命的正態分佈的均值和標準差，採用basquin關系式和最小二乘法對疲勞壽命數據進行線性擬合，得到了前橋的s - n和p - s - n的關系。
  12. Note : n means test number ; tnb means total number born ; nba means number born alive ; sd means standard deviation

    注： n為總記錄數， tnb為平均總產仔數， nba為平均產活仔數， sd為標準差。
  13. Based on the theory of confidence tests, the test methods for normal population characteristics are presented in this paper, which include the strong test, the weak test and the weak - strong test

    本文根據置信檢驗理論，建立了正態母體特徵值的置信檢驗方法，包括母體均值、百分位值、百分率、標準差和變異系數的強檢驗、弱檢驗和弱強檢驗，可以滿足不同的實際需求。
  14. As the application of rake receivers with multitaps is widely used in cellularcdma systems for exploiting path diversity, the closed - loop power control schemesshould make use of the multitap rake receivers for tracking the power variation dueto path loss, slow fading, and fast fading

    同時，本文給出的自適應變步長閉環功率控制演算法利用rake接收機跟蹤通道的變化，與傳統的固定步長閉環功率控制相比獲得了較小的ebi0標準差。
  15. Why ? it is highly possible that because explanatory variables are highly correlated, the resulted large standard errors could indicate an parameter to be insignificant while it is indeed significant

    為什麼？解釋變量很可能高度相關，即使變量實際上顯著，結果中的較大的標準差也可能表明參數不顯著。
  16. We can test a college student " s personal mental qualities level by this inventory. 3. the correlation between the sum of this inventory and each question except the test and the guide question is between 0

    大學生心理素質量表的總分與除引導題和測謊題以外的48道題的相關在0 . 276 0 . 583之間，並且每一道題的標準差都在0 . 25以上，說明本量表具有華南師范大學碩士研究生學位論文良好的鑒別力。
  17. Mean, stddev, heterogeneity coefficient and fraction dimension are the indices for evaluating the scaling method in object - oriented image analysis. the change trend of these indices corresponding to segmentation scales is used to judge the validity. in this thesis, object - oriented image analysis is introduced fully

    6 .提出可以用影像對象的均值、標準差、異質性系數與分形維數作為評價面向對象尺度轉換的指標，根據這四個指標隨尺度的變化趨勢分析尺度轉換方法的合理性。
  18. Two indexes was calculated to estimate the best bands union for color combination, one is optimum index factor ( oif, the sum of standard deviation divided by the sum of correlation coefficient. ), the other is the determinant of the co - variance matrix. it can be seen from the result that for color combination the original optimal bands were tm 4, 3, 7 and tm 4, 3, 5, the best mixed images were mnf1, br and ndvi

    以協方差矩陣行列式值和最佳指數值（組合波段標準差之和除以相關系數之和）為評價標準，得出對于tm原始波段而言，最佳的彩色合成組合是tm4 、 3 、 7和tm4 、 3 、 5 ；綜合幾種變換圖像的彩色合成的最佳組合是mnf1 、 br 、 ndvi 。
  19. 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。
  20. To define a particular normal probability distribution, we need only two parameters: the mean(μ)and the standard deviation(θ).

    確定一個具體的正態概率分佈，只需要兩個參數：平均數和標準差
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