normal distribution rate 中文意思是什麼

normal distribution rate 解釋
正常分配率
  • normal : adj 1 正常的，平常的，普通的；平均的。2 正規的，標準的，額定的，規定的。3 智力正常的，精神健全的...
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  • rate : n 1 比率，率；速度，進度；程度；（鐘的快慢）差率。2 價格；行市，行情；估價，評價；費，費用，運費...
  1. After being improved, the gear surface contact fatigue strength obeys weibull distribution and stress obeys normal distribution, the gear bottom bend fatigue strength and stress obey logarithm normal distribution, according to the relation of average safe rate and reliability, then the gear strength reliability design and check equations can be deduced

    將齒面接觸疲勞強度按威布爾分佈、應力按正態分佈處理，將齒根彎曲疲勞強度和應力均按對數正態分佈處理，再根據平均安全系數和可靠度之間的關系，推導出了齒輪強度可靠性設計和校核公式。
  2. As for material capital investment of farmer household, it ' s dynamics was declining, it ' s rate was stable and it ' s distribution was unequal. as for human capital investment of farmer household, normal education is the main method, the educational degree of household labors appeared partial distribution to normal distribution. compared with normal education, dynamics of investment in technique training and health was low, also the scale of labors mobility was narrow

    就農戶物質資本投資而言，投資力度有下降趨勢，但投資比重較為平穩，存量呈偏正態狀分佈；就農戶人力資本投資而言，以正規教育投資為主，家庭勞動者文化程度表現為由偏正態分佈向正態分佈轉移的趨勢，相對正規教育，農戶的職業技術培訓與健康投資力度較弱，勞動力流動半徑較小。
  3. Financial shortage greatly affected the normal operation of school, causing a series of problems such as difficulties in salary distribution of teachers, drainage of excellent teachers, increasing economic burden of students, high dropout rate etc. all these problems had come into being at the background that state totalitarianism period transformed to the pressurized system and during the process that educational finance base transformed

    在對短缺財政下鄉村教育的現狀和問題的分析中可以看到，學校的行政機構設置和財政基礎發生了明顯的變化，而財政短缺使學校的正常運作受到沖擊，造成了教師工資的拖欠、優秀教師的流失、學生的經濟負擔加重、輟學率居高不下等教育困境中的問題。
  4. Parameter estimation of the weibull distribution tampered failure rate model under a normal stress

    分佈步進應力加速壽命試驗損傷失效率模型參數的近似極大似然估計和逆矩估計
  5. In the model of the evaluation of the economic effect of financial innovation, the financial innovation products take electronic technology as the carrier, and we assume that they are not affected by the fluctuation of the interest and exchange rate, the disturbance term is subjected to normal distribution, and the saturating amount is one time of using the product per person within a certain range

    在促銷方面，專家或親朋推銷和公共關系促銷是最佳途徑，這是由金融創新產品的迅速變現性和安全心理決定的。在金融創新產品經濟效應評價模型中，選擇以電子技術為載體的金融創新產品，並假設：不受匯率、利率變動的影響，干擾因素服從正態分佈，飽和量為一定范圍內人均使用一次。
  6. Assuming that the rates of return obey normal distribution, chapter 4 combines the advantages between the mean - var model and the chance - constrained programming model and presents a chance - constrained mean - var portfolio problem with short selling, which is determined by expected rate of return and confidence level

    以此可作為投資管理參考的依據，具有一定的實際意義。本文第四章提出了在允許賣空時的機會約束下的均值? var模型，它是以期望收益率與置信水平為導向的。
  7. And it is indicated that the corrosion residual life of the pressure vessel and pipeline shouldn ' t be calculated with normal distribution model since the coefficients of variation of maximal corrosion depth and corrosion rate are often more than 0. 2

    最後指出最大腐蝕深度和腐蝕速率等參數的變異系數往往大於0 . 2 ，因此不宜用正態分佈模型進行壓力容器與管道耐腐蝕剩餘壽命的計算與分析。
  8. In the paper, the daily return rate of composite index of a specific time is tested by w test method. the result shows the distribution of daily return rate of composite index is accordance with normal distribution. according to the nature of normal distribution, under 95 % confidence interval, the value of var could be calculated, and then we can predict the next day ' s index

    在本文中，筆者通過對某一具體時間段的上證綜指的日收益率分佈進行正態檢驗仰檢驗） ，在得出的結論是日收益率基本上服從n （ 0 ， 6 ）的正態分佈的前提條件下，根據正態分佈的性質，在95的置信度下，利用var模型計算出當日的var值，從而預測出下一交易日的收盤指數。
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