組合比率 的英文怎麼說

中文拼音 []
組合比率 英文
composite rate
  • : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 率名詞(比值) rate; ratio; proportion
  • 組合 : 1 (組織成為整體) make up; compose; constitute 2 (組織起來的整體) association; combination3 [...
  • 比率 : ratio; proportion; rate比率計 ratio meter
  1. In the demonstration section of the paper, aiming at the main plantation crops and variety in shanxi and each region in shanxi, some research has been done, including determining and analyzing scale advantage, efficiency advantage and aggregated advantage of the main grain crops ( including wheat, corn, millet, soja, jowar and tubers ) and main cash crops ( including oil - bearing crops, cotton, fiber crops, beetroots, tobacco, medicinal materials, vegetables and melon, fruit ) in shanxi, determining and analyzing scale advantage, efficiency advantage, benefit advantage and aggregated advantage of the main plantation variety ( including wheat, corn, millet, soja, jowar, cotton, beetroots, rapeseed, flue - cured tobacco and apple ) in shanxi, determining and analyzing the advantage in each region in shanxi. the research shows that some crops and variety in shanxi own advantage, they are millet, jowar, fruit ( apple ), beetroots and medicinal materials. meanwhile, the main crops regions owning advantage and combination of advantage crops in each region in shanxi have been gained

    在文章的實證研究部分,本文以山西省及各地區的主要種植業作物和品種為研究對象,做了以下幾方面的研究:測定和分析了山西省主要的糧食作物(小麥、玉米、穀子、大豆、高粱和薯類)和主要經濟作物(油料、棉花、麻類、甜菜、煙葉、藥材、蔬菜、瓜類和水果)的規模優勢、效優勢和綜優勢並與全國主產區進行了較;對山西省主要的種植業品種(小麥、玉米、穀子、大豆、高梁、棉花、油菜籽、甜菜、烤煙和蘋果)的規模優勢、效優勢、效益優勢和綜優勢進行了測定和分析;測定和分析了山西省主要種植業作物在各地區的競爭優勢,研究表明山西省具有較優勢的作物主要有穀子、高梁、水果(蘋果) 、甜菜和藥材,同時得出山西省主要作物優勢產區和各地區優勢作物
  2. So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks

    國際慣例,文章考慮了股票的凈值市價( b p ) ,市盈倒數( e p ) ,流通規模( size ) ,流通例( stru )和財務杠桿( levge )等五個財務指標,應用描述性統計檢驗和橫截面統計檢驗等多種方法,結果表明,除系數以外,凈值市價( b p )和流通規模( size )對證券收益部有重要的影響。在論文的第三章,提出了一個基於多因素的風險因子模型,並用加權回歸和時間序列回歸等方法估計出了不同證券的各風險因子系數(類似於單指數模型中的系數) ,據此,即可衡量出一個包括n只股票的的風險_ p ~ 2和收益r _ p 。
  3. The killing effect on oncomelania hupensis by lixivium of pterocarya stenoptera, nerium indicum, rumex japonicus and their mixture was studied. differences of the snails mortality were studied also. the three kinds of plant material could kill the snail effectively both in spring and in autumn. but the mortality was different when the experiment is done in different seasons or with different lixivium. the effect in spring was better than that in autumn. n. indicum was the most effective among the three kinds. the effect by mixture was better than that by unitary material, and the effect by the mixture of the three kinds was better than that by two kinds. the variance analyses showed that the experiment could be modified, and some ingredients concentration in mixed lixivium could be reduced. the experiment was valuable in enhancing the power of killing the snail and saving plant material

    對楓楊、夾竹桃和土大黃以及它們的水浸液的滅螺效果作了較研究,結果表明: ( 1 )滅螺效果均隨水浸液濃度的增高而增強; ( 2 )這3種植物材料及其水浸液的滅螺效果都是春季秋季好; ( 3 )水浸液的滅螺效果單一植物材料水浸液的滅螺效果好; ( 4 )方差分析的結果說明植物材料水浸液滅螺在保證滅螺效果的前提下,還可以適當降低水浸液中的濃度.以上結論對提高植物材料的滅螺效和節省植物材料的使用量有著重要的意義,同時也為建植物滅螺群落提供了有益的參考
  4. Heredity modes of 6 traits were studied by analysis of population genetics, by the method of family combination analysis, by the methods of proband ' s sib analysis, segregation analysis, the threshold model of polygenes, and analysis of typical family trees, according to the data of the 72 families. the relative importance between genetic and environmental effect on each character was evaluated by comparing the coherence of twins. gene frequencies of 5 genetic characters, calculated from han group in huhhot, were compared with other groups by u - test so as to study the population or nationality difference in heredity

    採用群體遺傳學分析、家系分析法、先證者同胞法、分離分析法及多基因閾值模式分析方法對所得家系資料進行了統計學分析,結家繫系譜分析探討了上述6項特徵的遺傳方式;通過雙生子一致較,對上述特徵的遺傳與環境效應的相對重要性進行了評價;計算了呼和浩特市漢族群體5對遺傳性狀的基因頻,採用u檢驗方法與相關文獻報道的其他群體進行了較,探討了不同種族間或民族間的遺傳差異性。
  5. However, there is no area where probabilistic methods are more natural than in combinatorics.

    但是,沒有任何一個領域學中使用概方法更自然了。
  6. Therefore, they require a higher return from the market portfolio than from treasury bills

    所以,他們要求從市場投資得到一個短期國庫券更高的回報
  7. They should at least realise what their benchmark allocation is like and be informed by their investment managers about the benchmark rate of return as well as the actual rate of return

    投資者至少要知道他們的的基準投資重,投資經理亦應該將基準回報及實際回報通知他們。
  8. This paper first discusses the cause of crack formation and crack mechanism of high performance concrete. then carries out crack tests of three groups of concrete slabs using aggregate type, sand rate and dosage of fly ash as design parameter

    本文初步探討了泵送高流態混凝土的裂縫成因和開裂機理,並分別以骨料品種、砂以及粉煤灰摻量為設計參數進行了三混凝土平板的抗裂試驗。
  9. The delinquency ratio provides an early indication of the quality of the credit card portfolio while the charge - off ratio measures the gross credit loss of that portfolio to an authorized institution over a specified period of time

    拖欠可預早反映信用卡的質素,撇帳則評估在一段指定期間內認可機構就該所承受的信貸虧損總額。
  10. On this base, a more precise volume model of concrete is established and one conception of dry mortar volume is brought forward. at the same time the author absorbed the concept of the best ratio between paste and aggregates and used mathematical method to induce the formulas of water content and ratio between fine aggregate and coarse aggregate in concrete : ratio between fine aggregate and coarse aggregate : if the two formulas are connected with the classical rule of water cementitious materials ratio ( bolmy formula ), the contents of all materials in concrete can be determined completely by calculation and overall calculation proportioning is realized

    在此基礎上建立了普遍適用的更精確的混凝土體積模型,提出了「干砂漿體積」概念,同時吸收國外關于最佳漿集概念,用數學方法推導建立了混凝土用水量和砂的計算公式:用水量公式:砂公式:這兩個公式結傳統的水膠定則(保羅米公式) ,即可全面定量地確定混凝土的所有成材料的用量,實現混凝土的全計算配設計。
  11. By calculating large quantity of examples, this text studies earthquake resistant behavior of tapered portal frame with pined bases and analyzes its natural frequency, natural period of vibration and vibration mode. by comparing interior forces of pillar top, beam end and span midpoint in two conditions that seismic action effect participates combination of forces and not when portal frame is n ' t changed, ensure conditions that combination of seismic action effect has controlling f unction during tapered portal frame design, and tapered portal frame demands anti - earthquake design

    本文通過大量算例分析,研究柱腳鉸接楔形變截面門式剛架的抗震性能,並對其自振頻、振型進行了分析;通過較地震作用效應參與荷載與不參與荷載兩種情況下,樑柱截面尺寸不變時,柱上端、梁端、跨中截面處的內力大小,確定在什麼情況下地震作用效應起控製作用,變截面門式剛架需要進行抗震設計。
  12. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種(系)配製完全雙列雜交20個,通過親本和f1的2年隨機區試驗發現產量性狀的鈴重和衣分與環境的互作效應小,不存在母體效應,並以加性遺傳效應為主,分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的也較高,分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大,分別為13 . 3 %和3 . 5 % ,達到了極顯著;鈴重的超親優勢為2 . 0 % ,不顯著;衣分為顯著的負值( - 2 . 1 % ) .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上,親本相當配製的顯性較高,其超親優勢正向顯著,而極值親本(差異較大)所配沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關,遺傳改良的難度較大
  13. The paper made a lot of data calculations and theories exploring, and gave a demonstration of programming with 8 stocks basing on maximizing the portfolio rrtr

    文中進行了大量的數據實證和理論探討,並在最後給出了8支股票的基於風險收益抵換最大化的例求解示例。
  14. The contrast experiment of twig propagation of fast - growing castanopsis fissa by four treatments in three different cutting medium indicated : the cutting medium has a significant effect on the survival rate, the interaction of the cutting treatment and the cutting medium has evident effect on the survival rate. castanopsis fissa twig which is cut and planted at once has the best survival rate in the cutting medium of garden soil mixed with sands. it reaches 87. 5, but in the garden soil, it reaches only 70, and in other mixture, it is below 20. therefore, had better be planted in the medium of garden soil mixed with sands, and be planed after cutting at once

    速生菇木樹種? ?黧蒴栲嫩枝經過3種插床基質和4種插條處理的扦插對試驗,結果表明:插床基質對其扦插成活有極顯著影響;插條處理及其插床基質的交互作用對扦插成活存在顯著影響;黧蒴栲嫩枝扦插在園土十河砂混基質上現剪現插最好,成活可達87 . 5 ,在園土基質上現剪現插次之,成活可達70 ;而其它成活都不到20 ,黧蒴栲嫩枝扦插生產上應選用園土或園土+河砂作為插床基質,並要現剪現插。
  15. Stepping drive of synchronous motors, upgrading the design idea of stepping motors from combined electromagnet theory to rotary magnetic field theory, will make the capability and efficiency of the increment control system improved to a new level, which is the research purpose of ac step motion drive this paper begins with the direct torque control method for pmsm to expatiate ac step motion control theory distinctly

    用同步電動機實現步進傳動;將步進電動機的設計思想從電磁鐵理論提高為旋轉磁場,使增量運動系統的容量和效發展到一個新的水平,這就是交流步進傳動的研究目的。為了較清楚地闡述交流步進理論,本文首先從永磁同步電動機的直接轉矩控制演算法入手來分析。
  16. Citing five - meter - high nanfei river rubber dam in hefei, one of the highest double - anchor water rubber dam in china as an example, while deeply analyzing some representative rubber dam projects in china, the article theoretically exploits the relationships among some technical parameters such as anti - pull intensity, internal pressure ratio, circum - oriented relative extending rate, etc. also has the author brought up his own opinion on rubber dam design & calculation theory, which is of high theoretical and applicative value for parameter optimization and combination of water rubber dam with a height of above 3. 5 meters. it also helps when building over - five - meter - high rubber dam using seamless rubber dam and rubber dam with steel wire as its frame. this article also exploits safety measures for designing & building rubber dam in navigation areas

    本文以充水式雙錨固橡膠壩目前國內最高(壩高5m )之一的肥市南淝河橡膠壩工程為例,並在對全國目前已建橡膠壩代表工程進行深入分析的基礎上,對壩袋的抗拉強度、內壓、環向相對伸長等技術參數之間的關系進行了理論探討和研究,並對橡膠壩設計計算理論提出了自己的見解和看法,對指導設計壩高3 . 5m以上的充水式橡膠壩技術參數的優化具有重要的理論和應用價值,特別對應用無搭接縫橡膠壩、鋼絲網骨架橡膠壩建造壩高大於5m的橡膠壩具有指導意義。
  17. So this paper tries to solve these problems through the following work : first, we select some index to valuate the close - end funds, including income, stability, risk in falling, stocks selecting ability and tuning ability, based on overseas funds valuation methods and domestic market condition ; second, we analyze the stability of all index and form two styles index, which are f and other bad stability index ; then, we form the valuation system, including two - layers index, which are p and factor score ; last, we use this system to analyze the close - end funds which came into existence before 2000 and get the final comparative result. the main intention of this paper is to create the system of valuating close - end funds in our country, which is comprehensive and objective. in my valuation system involving the period from 2000 to 2003, the funds as a whole performs inferior to the stock index

    首先,對國外理論界經典成型的、以及前沿的基金評價指標和評價方法進行了詳細的分析,並結我國的基金市場狀況,選取了可以衡量基金收益、穩定性、下跌風險、股票選擇能力、時機選擇能力等量化指標;其次,根據我國基金分析的需要,採用了諸如基金交易價格、換手等二級市場表現指標;然後,對這些指標進行了時間延續性分析,檢測這些指標在運用到我國基金市場時能否有效預測基金未來表現,從而形成了兩類指標:時間延續性很好的s _ p和時間延續性不好的其它所有指標;再次,在以上工作的基礎上形成了由兩個層面的指標構成的我國證券投資基金評價體系: s _ p和因子分析中綜因子得分值;最後,選取了我國2000年1月1日前成立的23隻封閉式基金作為樣本,並同時採用上證a股與深成a股兩個基準進行了3年樣本期的實證分析,得出了最終的較性評價結果。
  18. On the deep foundation that studies and understands thermaldynamic system of steam power plant, this text is to compare analytic theories and computation method constantly used at present on the economy of thermaldynamic system of steam power plant, calculate the influences on thermal economy with theory of equivalent enthalpy drop when high pressure heater is into stoppage, prove influences degree on thermal economy when the composition of heater stoppage is diffrent, define regenerator rate and offer theoretical direction for heater stoppage

    本文在對火力發電廠熱力系統深入學習、掌握的基礎上,對目前幾種常用的火力發電廠熱力系統經濟性分析理論和計算方法進行了較,以等效焓降理論對高壓加熱器停運時熱經濟性的影響進行了計算,說明了高壓加熱器各種停運對熱經濟性的影響程度;提出了加熱器回熱概念,從而為高壓加熱器切除提供了理論指導。
  19. In the author ' s view, individuals should undertake part of the social securing cost. meanwhile, the author also puts forward some useful means to help find the optimism investment portfolio finally, the essay brings up a series of proposal which are useful to the operation of social securing fund based on the correlated theories and foreign countries " experience in the operation of the social securing fund

    其次,在遵循公平與效原則下,運用線性回歸模型預測我國社會保障基金的需求量與供給量,並與基金實際收入進行較,結我國養老保險、醫療保險現採用的「統賬結」部分積累基金籌集模式,認為個人應該承擔一定例的社會保障費用,並且通過資產理論為尋找最佳投資提供方法。
  20. The second chapter analyzes the operating mechanism and governance effect of the large shareholders, directorate, control rights market and incentive remuneration, compares their arrange mechanism and combination effects under specific ownership structure, and proposes the governance structure comparative advantage theory

    第二章分析了大股東、董事會、控制權市場和激勵報酬四種治理工具的作用機制和治理效果,並且在特定的所有權結構下較了不同工具間的搭配機制和,並提出了治理模式的較優勢論。
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