selection index 中文意思是什麼

selection index 解釋
選擇性指標
  • selection : n. 1. 選擇;挑選;選拔。2. 拔萃;選擇物;精選物[品];文選。3. 【無線電】分離,(自動電話)撥號。4. 【生物學】選擇,淘汰。
  • index : n (pl es dices )1 索引。2 指標,標準,標志。3 示[食]指 (=index finger)。4 指數。5 【印刷】指...
  1. Subsequently by taking “ ancient - style poems ” as center, make an exploration into the acceptant condition of traditional poems collection to canons in the preceding dynasties at the time of “ canon ” being established, from a comprehensive view by editor ' s selection basis, arrangement of collection and readers ' acceptability : among which the “ ancient poems collection ” to the superficial succession and meaning transfer of tu ' s poems canon as well as to the polemic interpretation and conclusion of five - character and seven - character poems canon, and the acceptability and misreading of “ poems of transcription in modern style ” in the mid of ching dynasty to “ ancient poems collection ”, all of which are sufficient to verify the alternative of “ canon ” for traditional poems collection that most of them adopt measures of succeeding canon in early times first, then making an increase and reduction ; while the selection of canon takes “ direct variation of polemics ” as premise, followed by a consideration of degree of art values ; it can be the concrete index of trend to make comments on poems on the selection and interpretation of canon for masters of each school

    其後,再由綜觀編者評選基準、選集編排、讀者接受等多重角度,以王士禎《古詩選》為中心來探究常規詩選集在創建典律時,對前代典律的接受狀況:其中由《古詩選》對杜詩典律的表面繼承與意義轉移、對五古、七古詩典律的辨體詮釋與總結,以及清中葉《今體詩鈔》等選集對《古詩選》的接受與誤讀…等,皆足以驗證常規詩選集的典律交替,大多採取先繼承前代、再漸進轉換新典律的作法;且其典律的選立每先以辨體之正變為前提,再考量藝術價值的高低;而於各體名家典律的選擇與詮釋上,則通常可作為其論詩趨向的具體指針。
  2. The genetic structure has changed due to artificial selection and genetic differentiation index indicated slight differentiation among them

    由於人工定向選擇,它們的遺傳結構已經起了一定的變化,分化系數表明它們之間已經產生了分化。
  3. 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。
  4. To increase the bearing accuracy of amplitude - comparison, the multi - channel system was chosen, the angle of reaching of moving antenna pattern serial was estimated from the frequency domain using the phase - delay estimating method, and at the same time, the selection of antenna, quantization of signal and touch switches were optimized in concrete engineering practice, and so the requirement of the index was satisfied

    為提高比幅測向的精度,選用多通道體制,採取相位延時估計法從頻域來估算移動天線方向圖系列的達到角,同時在具體的工程實現上對天線選取、信號的量化、去摸開關等進行優化,從而滿足指標要求。
  5. On the one hand, the author discusses markowitz ' s mean - variance portfolio selection model, single - index portfolio selection model, and simplified model of optimal portfolio selection. at the same time, based on the rules of optimal portfolio selection and other risk - metric indices, the author also discusses mean - absolute deviation model, mean - semivariance model and mean - value at risk model. on the other hand, the author discusses the asset pricing model, including the capital asset pricing model ( capm ), the multi - factor asset pricing model, and the arbitrage pricing model ( apt )

    一方面,作者討論了馬科維茲的均值-方差資產組合選擇模型、單指數資產組合選擇模型、最優資產組合選擇的簡化模型,同時根據最優資產組合選擇原則和其他風險度量指標,討論了均值-絕對離差、均值-半方差和均值-風險價值資產組合選擇模型;另一方面,作者討論了資產定價模型,包括多因素資產定價模型和套利定價模型,特別是在四種因素變量的基礎上,探討多因素資產定價模型。
  6. This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits

    本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究,表明除正常幼苗百分率外,其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關,因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展,指明通過遺傳育種手段改良這些性狀是可能的
  7. By analyzing factors that influence on the ground to air missile position selection, this paper builds up a factor index system for the position selection, and gives the fuzzy synthetic evaluating model and method of position selection, and proves the feasibility and practicability of the model and method that evaluate the ground to air missile position selection

    通過對影響地空導彈陣地選擇各因素的全面分析,建立了陣地選擇的因素指標體系,給出了陣地選擇的綜合評判模型和評判方法,並通過實例驗證了該模型和方法對評估和優選地空導彈陣地的可行性和實用性。
  8. Based on the experimental results, several measures including the selection of high - yielding, high nutrient - efficiency variety, correct crop management practices to increase harvest index and returning rice straw to soil were suggested to keep nutrient ( particularly k ) balance in soil - crop system with high - yielding rice production

    根據試驗結果推薦了幾項高產措施,包括選用高產、高養分利用率品種、改進作物管理措施以提高收獲指數和稻草還田,在水稻高產生產土壤作物系統中保持養分(尤其是鉀)平衡。
  9. The formula of selection index and mating combination were mainly made by two characters, daily gain and backfat, and inbreeding coefficient of offsprings, respectively

    其選擇指數公式的確立主要依據日增重,背膘厚這兩個主選性狀,選配計劃的制訂主要根據後代近交系數。
  10. On selection of index futures trading arena

    股指期貨交易場所選擇分析
  11. This paper constructed a new index : risk - return tradeoff ratio ( rrtr ), for portfolio selection, based on a premise that the reason of investors bearing the risks is to gain the super returns

    本文根據投資者冒風險是為了獲得超過無風險收益的超額收益這一基本假定,構造了風險收益抵換率這一指標作為投資者進行資產選擇的基礎。
  12. The application of synthetic index method on superior variety selection of walnut

    綜合指數法在核桃選種中的應用研究
  13. Multiple comparison method and similarity coefficient method were developed to estimate population size of the giant panda. the chi - square testing was used to determine the relationship between the occurrence of pandas and the type and intensity of human disturbance. habitat selection of the giant panda and impacts of human disturbance, such as logging, livestock grazing, herb collecting, poaching, road building, were quantitatively analysed by habitat selection index of manly

    同時還利用manly ( 1993 )的選擇指數( selectionindex ) ,定量分析王朗大熊貓對生物和非生物生境因子的選擇,特別是分析如採伐、放牧、采藥、偷獵、修路等人類干擾對大熊貓及其生境的影響,從而為保護區大熊貓的管理提供依據,將造成大熊貓瀕危的人類干擾降至最低。
  14. Other derived products include regional temperature forecasts, rain index, vertical profiles, meteorograms and a selection of specially prepared weather maps

    其他預報產品尚有區域氣溫預報降雨指數垂直廓線圖氣象要素圖及特製天氣圖等等。
  15. So the sedimentation value could be the main index in the early - generation selection in quality breeding

    因此認為沉澱值可作為品質育種早代選擇的主要指標。
  16. Based on the introduction and analysis of the approach of h ( subscript ) loop shaping, aiming at the problems that the weight functions are chosen by trial and error, and the synthetical performance index of the controller is hard to meet the frequency and time domain performance requirements, an improved weight function selection method is proposed based on engineering design and chaos optimization

    摘要在介紹和分析h (下標)迴路成形基本設計力法的基礎上,針對權重函數選取需要反復迭代、過程繁瑣、所得控制器難以同時滿足時域和頻域性能指標等問題,提出了一種基於工程設計、輔以混沌優化理論的權重函數選取方法。
  17. This paper introduces the methods of hyperspectral images band selection based on the property of hyperspectral remote sensing images, utilizes the projection pursuit approach to find optimal solutions for a selected projection index based on dynamical evolutionary algorithm and then project a high dimensional data set into a low dimensional data space to produce a sequence of projection images, explores zero - detection method to threshold projection images to detect anomaly tar get

    摘要運用基於波段間相關性的高光譜影像波段選取方法進行波段的預選取,採用投影尋蹤的方法在動力演化演算法的基礎上尋找最佳投影方向,將高維數據投影至低維數據空間,在各投影分量圖像上採用零點檢測閾值化的方法進行異常目標的提取。
  18. Finally, this study is built up a location selection optimized index system for jining agricultural science and technology park, in which the delphi method is used to define the index weigh and the probability evaluated method is used to define the index value

    最後構建了農業科技園區選址優化指標體系,用特爾菲法確定指標權重,用概率評價法確定指標值。利用該指標體系對濟寧市農業科技園區的4個選址備選方案進行計算、選優。
  19. The comprehensive selection index in yellow seeds in brassica napus l. were also proposed

    用多目標綜合選擇指數,討論了甘藍型黃籽油菜的選擇問題。
  20. And because of the expansive usage in the industry fields, the thesis introduces the ahp method to offer the selection index to the customers to chose the appropriate rapid prototyping machine from several kinds and different types of them

    最後,因為快速原型機廣泛的在工業界上使用,但是市面上的快速原型機的種?繁多且特性?一,為?提供?合使用者需求的快速原型機,因此提出使用層級分析法應用在快速原型機的選擇上做為?考的指標。
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