算術平均指數 的英文怎麼說
中文拼音 [suànshùpíngjūnzhǐshǔ]
算術平均指數
英文
arithmetic average index number- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 術 : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
- 平 : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
- 均 : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
- 指 : 指構詞成分。
- 數 : 數副詞(屢次) frequently; repeatedly
- 算術 : arithmetic figure; arithmetic
- 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
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Considered the present condition of liaoning province, the evaluation and prediction method of liaoning province bridge technique condition is analyzed, then bridge condition changed - contingency evaluated method is introduced, negative index curve is chosen as the regression analysis model of the bridge condition prediction, and based on the information of bridge management system in the liaoning highway, the parameters of model are calibrated, the average repaired life of bridge is also calculated, the definite method of the bridge ' s repaired year is given, at the same time the markov chain model of bridge condition prediction is presented
結合遼寧省的橋梁工程及管理具體情況,研究了遼寧省橋梁技術狀況評價與預測方法,引入橋梁缺損狀況變權評定方法,選擇負指數曲線作為橋梁缺損狀況預測的回歸分析模型,並依據遼寧省干線公路橋梁管理系統中的橋梁狀況信息,標定了模型的參數,計算橋梁中修及大修(或改建)的平均年限,給出橋梁大中修年份的確定方法,同時也建立了橋梁缺損狀況預測的馬爾可夫鏈概率模型。A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method
提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求,選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化,再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法,通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍,以速度調節器和電流調節器的參數為染色體中的基因,通過遺傳演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計的參數能使系統性能指標有顯著提高Fifty nine accessions of soybean [ glycine max ( l. ) merr. ] of 301 ones from huanghuaihai and middle - lower changjiang valleys were tested at seedling stage in two years for their drought tolerance by using the mean membership index value averaged over those of plant height, leaf number, root dry weight, stem and leaf dry weight. 4 tolerant accessions ( rank 1 ) and 2 sensitive ones ( rank 5 ) were identified
摘要從301份大豆品種中按根系類型選取黃淮海和長江中下游地區代表性材料59份,在苗期乾旱脅迫和非脅迫條件下對地上部和地下部性狀進行2年重復鑒定,發現材料間性狀隸屬函數值具有豐富遺傳變異,以株高、葉齡、根干重和莖葉干重隸屬函數的算術平均數為抗旱綜合指標,從中篩選出漢中八月黃、晉豆14 、科豐1號、圓黑豆等強耐旱型( 1級)材料和臨河大粉青、寧海晚黃豆等乾旱敏感型( 5級)材料。Firstly, the author evaluated the fund through the technology and tested it with examples. basted on the capital asset pricing model and the theory of portfolio, the paper used the ratio of profit according time to evaluate the profit ; used the a and 3 to evaluate the risk ; used the sp, tp, a p to evaluate the profit according to the risk ; used the ability of liquid and so on to evaluate the fund portfolio. otherwise, the author corrected the asset of fund according to the specialty of our country
技術面評價以證券投資組合理論和資本資產定價模型為基礎,運用時間加權收益率對基金收益進行評價;運用系數、系數對基金風險進行評價;運用夏普指數、特雷納指數、詹森指數、積極投資效率指數對基金進行收益和風險配比評價;運用基金平均市盈率、股票集中度、股票日換手率、基金流動性和基金平均漲幅對基金進行組合質量評價;並根據我國股市的特點對基金凈值進行修正計算,對基金實際價值進行評估。Take the computer as the tool, the use technology economic evaluation method realization highly effective, the accurate decision - making, brings the good economic efficiency for the enterprise. the many kinds of assessment method synthesis application enhance the policy - making efficiency, and cause the decision - making to be more reasonable
本文主要工作是對計算機輔助決策常用的預測模型簡單移動平均法,加權移動平均法,指數平滑預測法,二次指數平滑預測法,以及在技術經濟評價方法中有關靜態評價法和動態評價法進行了介紹,總結出一些經驗。As for the shouldering of civil liability, the author lists out several situations of withdrawing the contract specifically and points out the irrationality in the calculation of damages in present legislation, which neglects the trading costs of investing and trading. however, the individuality is represented in the nature of securities fraud, which outbreaks the traditional definition of contractual liability
文章在民事責任承擔方面具體列出了撤銷合同的若干情形,也指出了現行立法在賠償損失計算上採用算術平均法的不合理性,忽略了證券投資和交易的權重在於交易成本:即股價乘以股數,而不在於股價。It aims at reducing the number of execution cycles of instructions, and has experienced from the period of single issue architecture to the period of multiple issue architecture. in the past twenty years, risc has become more and more mature abroad. it makes great sense to develop our own risc and it is a effective way to develop our own risc with the instruction set which is compatible with those of risc which has been widely used
80年代初出現的risc技術是計算機體系結構的重大變革,它以減少指令執行的平均周期數為結構設計的主要目標,經歷了從單發射結構到多發射結構的演變過程,解決了深度流水技術、相關技術、轉移預測技術、編譯優化技術等一系列技術難點,在20多年的時間里, risc技術的發展已日趨成熟與完善微處理器在軍事和民用領域都有著廣泛的應用,研製具有我國自主獨立版權的微處理器在當今具有重大意義。In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1
本文根據探地雷達系統工作原理,在電子科技大學探地雷達系統樣機研製的基礎上採用了各種有效的優化技術,包括探測前端、采樣保持電路的優化,定位輪、目標定位、多線程技術的應用,數據採集處理和控制軟體功能的拓展、各種有效的信號預處理演算法的應用等,顯著提高了系統的探測性能和增強了探測效果,使得系統方位、距離解析度均達到了10cm ,探測深度大於50cm ,其性能指標達到國外先進水平,為進一步的實用化奠定了重要的基礎。The comprehensive ranking of a site or entity depends on the arithmetic mean value of the following parameters : visit rate, average number of days a cyber user visits the site or entity, non - repetitive pages opened and total number of pages opened, average time and number of times a cyber user visits the site or entity
某網站或實體的整體排名是由以下指標的算術平均值決定的:到達率平均每個網民訪問該網站或實體的天數打開的不重復頁面和整體頁面展開數平均每個網民訪問該網站或實體的時間和訪問次數。Date integration technique was used to analyze the relationship between monthly mean daily clearness index kt and s, the ration of monthly mean daily sunshine duration to possible sunshine duration as well as that of monthly mean daily direct transmittance kb. based on data from 1957 to 2000, a series of kt and kb estimation models with different temporal and spatial scales were established. furthermore, the distributions of kt and kb from january to december in chongqing were mapped by kriging interpolation for long - term mean
大氣輻射過程模擬通過晴空指數、直接透射率等綜合描述大氣對太陽輻射影響的參數,採用重慶市及其周邊地區1957 - 2000年日射站觀測的月輻射資料和常規月氣象觀測資料,利用數據集群技術,建立了不同時空尺度的太陽輻射估算模式;使用kriging插值法,完成了重慶市氣候平均狀況下各月晴空指數、直接透射率的空間制圖。分享友人