historical ratio 中文意思是什麼

historical ratio 解釋
歷來比率
  • historical : adj 1 史學的；有關歷史的。2 歷史的，歷史上的；過去的。3 有根據的，真實的，非杜撰的 （opp legendar...
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. Then, six evaluation methods ( double ratio analysis evaluation method using regional rainfall tendency control for single cloud seeding operation case, regression analysis evaluation effects on the bases of regional correlation and developing tendency of rainfall, multiple regression analysis evaluation effects on the bases of regional developing tendency of rainfall, cluster - analysis - based floating control historical regression method with uniform precipitation and atmospheric precipitable water as meteorological covariates, cluster - analysis - based floating control historical regression method with uniform precipitation used as meteorological covariate, and float ing control historical regression method ) were compared and analyzed with the case of the cloud seeding operation on 5 april 2002 in henan province

    然後，以河南省2002年4月5日飛機增雨作業為個例，對作業區域趨勢對比雙比分析評估方案、區域趨勢相關回歸分析方案、區域趨勢多元回歸分析方案、以降水量為協變量的ca - fcm方法、以降水量和整層大氣可降水量為協變量的ca - fcm方法和fcm方法6種評價方案進行分析比較。
  2. 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。
  3. The multi - aptitude body uncertain composed methods are used to deal with the historical data and forecast ways in which the minimum variance hedge ratio is calculated synthetically ， in order to foster calculational reliability of the minimum variance hedge ratio in hedging of stock index futures the mathematical hedging model which is consists of

    本文利用多智能體系統不確定性結論合成方法（ mabm ） ，將股票指數期貨套期保值最小風險保值比率計算的歷史數據分析法和預測法進行了綜合處理，進而提高股指期貨最小風險保值比率的可靠性。基於資本資產的定價模型建立由
  4. Leverage was measured as the historical change in the ratio of total long - term debt to average total assets, while liquidity was measured as the change in the ratio of current assets to current liabilities

    杠桿率是公司長期總負債和平均總資產比率的歷史變化額，資產變現率則是指流動資產和流動負債比率的變化額。
  5. How to use local condition and ecnomical dveloping and the elementary education, normal school in different regions increases the impact and momentum of reform, rationally transform and optimizes distribution of educational resources. increases the utilisation ratio of educational resourses, enhances the strengthen of running a school. on the basis of increasing running ratio of a school, with destination and polity, it is to promote the adjusting and improving the struture of education in normal school. to 2010, completely fulfill the transition from normal school to normal college is the historical choice and the future ideal direction of the developing education of normal school

    不同區域的中師學校，如何根據當地經濟發展狀況和基礎教育現狀，在現有條件下加大改革力度，合理重組、優化配置教育資源，提高教育資源利用率，增強辦學實力；在逐步提高辦學效益的基礎上，有目的、有計劃地促進中師教育層級的提升，到2010年，基本實現三級師范向二級師范的過渡，是中師教育發展的現實選擇和未來理想路向。
  6. Based on historical records from huizhou, this paper calculates the annual ratio of investment and profit on the absolute sales of paddy land was 6. 67 % prior to the qianlong period

    摘要清代徽州購買水田（絕賣）的年度投資回報率僅為6 . 67 % ，而所舉五個一般商業投資實例的年度投資回報率則在9 - 18 %之間。
  7. Being basis on the 14 regional grid planning texts of historical data of hunan province, initially determining the factors that affecting power grid construction ; to reflect the distribution of information to determine the scale of construction leading indicators to assess the scale, with its own network of intelligence presented to the region to assess the scale of the distribution network - building indicators system ; establishes assessment models of evaluating 110kv distribution network building scale integrated ; considering the main factor that influencing the construction scale of the distribution network, the improvement method of 10kv distribution networks capacity - load ratio is proposed ; the combination of high voltage distribution network planning optimization technology results presented evaluation pressure distribution network building scale integrated assessment methods

    課題以湖南省14地區電網已有規劃文本歷史數據為基礎，初步確定各種影響電網建設的因素;以反映配電網建設規模的主導信息來確定規模評估指標，提出了符合自己網情的地區配電網建設規模的評估指標體系;建立了評價110kv配電網建設規模的綜合評估模型;通過研究各影響因素與負荷發展儲備系數參數的關系提出了確定10kv變電容載比的方法;結合高壓配電網規劃的優化技術成果，提出了評價中壓配電網建設規模的綜合評估方法。
  8. The consideration represents a historical price - earning ratio of approximately 11. 3 times

    是次收購代價，代表過去全年市盈率11 . 3倍。
  9. 4 ) a sparse matrix based on multi - resolution analysis for signal decomposition was introduced. a compression method for arbitrarily long data on chemical process was developed then. the relative error of decompression data is still acceptably small enough and the compression ratio is large enough when the method was applied to the compression decompression manipulation of historical data on chemical process

    浙江大學博士學位論文4 ）利用小波的多解析度分析特點，推出了一個用於信號多解析度分解的稀疏矩陣，在此基礎上給出了一種可對任意長度數據進行壓縮的方法，並對化工過程的歷史數據進行數據壓縮和還原，壓縮后的解壓縮數據仍保持較小的相對誤差，並得到了較大的壓縮比。
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