凈估計系數 的英文怎麼說

中文拼音 [jìnggūjìxìshǔ]
凈估計系數 英文
net coefficient of estimation
  • 凈 : Ⅰ形容詞1 （清潔; 干凈） clean 2 （凈盡;沒有剩餘） empty; hollow; bare 3 （純） net Ⅱ動詞（使干凈;...
  • 估 : 估構詞成分。
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. 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

    結合國際慣例，文章考慮了股票的凈值市價比（ b p ） ，市盈率倒數（ e p ） ，流通規模（ size ） ，流通比例（ 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，凈值市價比（ b p ）和流通規模（ size ）對證券收益率部有重要的影響。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只股票的組合的風險_ p ~ 2和收益率r _ p 。
  2. On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained

    推導了最佳陣元分佈方程，分別對陣元無方向性和等加權時的最佳分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析，推導了天線方向圖旁瓣包絡、波束寬度，干凈掃描區寬度的估計公式，給出了近軸旁瓣電平與陣列參數的關系。
  3. Due to its flexibility, the lrt system can be designed to match both the physical environment and transport demands as well as to provide an alternative choice with quality service. all these factors have contributed to the phasing - out of the old streetcar systems. beginning in the mid - 1970s, light rail transit systems have enjoyed a period of sustained growth, not only providing public transportation but also contributing to the renewal of declining city districts, reutilizing unused rail lines, and providing impetus to local economic development

    使得有軌電車自1970年代中期，以輕軌運輸的新風貌漸漸復興，不僅擔負公共運輸功能，更常結合老市區都市更新、舊鐵道再利用、促進經濟再發展的聯合開發計畫，吸引民間投資參與建設，透過由街道面進出的低月臺車站、無欄柵式收費制度、造型流線超低底盤車輛、軌道沿線綠化設施等設計，在都市環境改善與都市永續經營上，充分發揮凈化、綠化、人性化、地標化等效益，發展至今估計全世界輕軌運輸系統路網數目已達約400個左右。
  4. 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。
  5. An introduction is made on calculating the explosion limitation of the purely organic burning gas and the mixture made of many organic burning gases by using oxygen coefficient, also it systematizes the old formulas in common use, and simplifies the calculation, at the same time, it offers the speed calculation for the explosion limitation of complicated organic burning gas, whose result is fit for the practice

    摘要提出一種利用氧氣系數計算純凈有機可燃氣體和由多種有機可燃氣體組成的混合氣體爆炸極限的計算方法，對目前常用的經驗公式進行了整合與修正，簡化了對混合氣體爆炸極限的計算，也提供了對復雜組成的混合有機可燃氣體爆炸極限的快速估算，估算結果與實測值能較好吻合。
  6. Roughly acquire optical depth of clear sky and clouds from radiation station data and routine meteorological data of land surface, and the study the relationship between clouds " physical character and radiation. obtain the relationship between surface and near - ground atmosphere, and then according to this estimate surface albedo and surface net. by analyzing the relationship between satellite visible spectra, infrared spectra, and water vapor spectra values and radiation, by means of radiation transfer theory, analyze and deducethe relationship between clouds and radiation, and establish relationships between satellite value and global radiation and net

    通過衛星雲圖的計數值來判斷雲對輻射的作用，以此建立起它們之間的關系；利用地面觀測資料和常規資料來粗略求取晴空大氣和雲光學厚度，進而研究雲的物理屬性與輻射關系；簡單的獲取地表與近地面大氣之間的輻射關系，以此估算地表的反照率，和地表的凈輻射；分析了衛星可見光、紅外及水汽雲圖計數值和地面輻射之間關系，利用輻射傳輸公式來推倒和分析雲對輻射的關系，試圖建立起衛星測值與地表總輻射和凈輻射之間的關系，並將晴空和有雲的個例分開，分別建立並選出最佳模式，以此來估算地表的凈輻射和總輻射。
  7. Firstly, this dissertation estimated the size of carbon source ; sink and net carbon sink of farmland ecosystems in china costal regions ( including ten provinces ) with statistic data from 1981 to 2001, which include data of crop yield and agricultural consumptions. then analyzed the temporal - spatial differences of carbon source, sink and net carbon sink of china costal farmland ecosystems. secondly, estimated npp ( net primary productivity ) of farmland ecosystems in china costal regions with per month noaa - avhrr ndvi ( normalized difference vegetation index ) data and estimation model

    本文首先運用1981 - 2001年的統計資料（作物產量和各種途徑的農業投入數據） ，對沿海十省區農田生態系統碳源匯及凈碳匯進行了估算，並分析了其時空差異；然後運用1998年逐月ndvi數據通過建模對沿海地區農田生態系統npp進行了估算，並分析了npp分佈與農田生態系統碳吸收的相關性；最後通過對農田生態系統碳源匯的影響因素分析，提出了不同的農田生態系統碳增匯減排技術。
  8. Based on the acquired data and operating experiences from pilot experiments, the demonstration project is devised comprehensively, which is concerned with so many aspects, such as choosing the site of demo plant, the portions " arrangement, gasification subsystem, condensation subsystem, tar catalytic reforming subsystem, purification and dryness subsystem, gas pipe networks and fire control subsystem. furthermore, economic assessment has been given preliminarily

    在中試試驗所獲得試驗數據和運行經驗的基礎上，進行了120戶規模的集中供氣示範工程的設計，包括氣化站選址及站內布置、氣化系統設計、冷凝系統設計、焦油催化裂解系統設計、凈化乾燥系統設計、輸氣管網設計、消防安全設計等，並進一步對項目的技術經濟性進行了簡單評估，為示範工程的建設和調試運行提供了技術保障。
  9. The east china sea as a whole is consequently doomed to be a sink of atmospheric co2. using the gas exchange coefficient calculated from the wanninkhof model ( wanninkhof, 1992 ) and the wind speed on spot, the net average annual carbon flux at the sea - atmosphere interface over the east china sea area is estimated to be about 523 104 tc. the sea absorbs

    應用v陽叮ni記thof （ 1992 ）模式計算得到的氣體交換系數和現場風速，初步估算出東海四季海一氣界面碳的凈通量，春季平均從大氣吸收約32oxl了tc ，夏季吸收約377xlo4te ，秋季向大氣排放約160 、 lo4te ，冬季排放約14 、 lo4te ，全年平均東海從大氣吸收eoz約為523xlo4te 。
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