選擇分型線 的英文怎麼說

中文拼音 [xuǎnzháifēnxíngxiàn]
選擇分型線 英文
traverse loop
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  • : 擇動詞(挑選) select; pick; choose
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典巖溶區為對象,了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典巖溶區的土壤肥力特徵進行了較為詳細的析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. On the basis of the basic theory of metal distortion, using round steel alit rolling as entity model and combining with production practice, the selection of slit location, slit mode and the design parameter of slit pass system were analyzed, and the area calculation model of pre - slit rolled piece and slit rolled piece was built

    摘要基於金屬塑性變形基本理論,以圓鋼雙為基本實體模,結合生產實踐,對切位置、切方式的和切系統的設計參數進行了析,並建立了預切軋件和切軋件的面積計算模
  3. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被類研究和植被定量反演的重要基礎;像元的導數光譜析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模,並析了模的適用性。
  4. The research of the thesis shows : optimize theory describes and makes the target as model, array, level, and deals with every scheme that determines the nature and quantitative factor chosen in unison that appraised, its result is objective, true, reliable, can plan making policy to offer scientific basis finally of overall arrangement for the route of the highway ; the fuzzy comprehensive evaluation assessment is simple, clear, practical, can make more factors participated in judging, and overcome the subjective and random that existed when chosen the route scheme ; level analytic approach promises high grade highway route overall arrangement scheme judge and carries out the tr ansition to from single factor index multifactor synthesis of index judge, and the result is convincible

    論文研究表明:優化理論將描述與評價的對象模化、序列化、層次化,並統一處理各方案比中的定性與定量因素,其結果客觀、真實、可靠,能為公路路規劃布局的最終決策提供科學依據;模糊綜合評判方法簡單、清晰、實用,能使更多的因素參與評判,克服了路方案時存在的主觀隨意性;層次析法做到高等級公路路布局方案由單因素指標評判過渡到多因素指標的綜合評判,結果具有說服力。
  5. Firstly, the connected end sets of the relay lines are got using the breadth first search algorithm and the connected relationship of wiring terms is got in the electrical circuit diagram according to different cad block structure of different element type. secondly, the appropriate specification of the relay element is chosen by using the equinoctial graph algorithm, and the panel layout diagram is generated automatically by the combining automatic layout and manual intervention. finally, the optimized path algorithm which passes each vertex in the completed non - directional graph once and only once is put forward, this algorithm and the prim minimum spanning tree algrotithm can generate the inner panel wiring diagram and terminal wiring diagram automatically

    首先,採用廣度優先搜索演算法查找電氣原理圖中的連通導端點集,並根據不同類的繼電元件對應的cad圖塊結構的不同,得到電氣原理圖中元件接端子之間的連接關系;其次,根據二圖匹配演算法為電氣原理圖中繼電元件合適的號和規格,並採用人工干預和自動布置相結合的方法完成屏面布置圖的自動生成;最後,提出了完全無向圖中經過每個頂點一次且僅一次的優化路徑演算法,利用該演算法和經過預處理的prim最小生成樹演算法自動生成屏內安裝接圖和端子接圖。
  6. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪控制工程水工模試驗,系統析了浮箱門在靜水和動水中的穩定性及其影響因素,指出靜水穩性和動水穩性的不同特點;試驗測定了浮箱門動水運行時的受力情況,給出並析了定位過程轉動力的變化過程曲;根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系,合理的動力設備,為設計和工程實踐提供可靠依據;析浮箱門難以穩定上浮的原因,並給出解決方案。
  7. By analyzing and experimentally verifying the model, new ways of improving mixer performance were put forward. ( 1 ) heat water should be used in the mixer ' s temperature control to make the mixer work with optimal parameters. ( 2 ) the surface materials of the mixing chamber and rotors should be chosen rationally to change material surface energy and increase friction on them. ( 3 ) when the compound was processed under higher pressure of floating weight, shallow groovers or stripes parallel to the axle of the rotor should be made on the mixing chamber internal wall to increase the real contact area and improve mixing effect

    通過對模析和實驗驗證,提出了提高密煉機混煉效果的新途徑: ( 1 )密煉機溫度控制採用溫水冷卻,使密煉機處于最佳工作狀態; ( 2 )通過合理密煉室和轉子表面材料以改變材料表面能來增大膠料與它們之間的摩擦力; ( 3 )在上頂栓壓力較大的條件下,在密煉室內壁與轉子軸同方向加工淺的光滑槽可明顯改善混煉效果。
  8. The disquisition includes choice of algorithm, accomplish of algorithm, collection of learning sample, parameter of net, shortcoming of bp algorithm, extraction and reduction form line etc. referring to shortcoming of traditional bp algorithm, a modified learning factor with adaptation is introduced. because of every different font has robust, the way based chain coded and knaggy feature is used. a bizarre sample feature database is constructed for speeding up modified bp learning and classification

    本文對人工神經網路理論進行了研究,探討了網路形式及演算法的、演算法的實現、學習樣本的收集、網路參數、 bp演算法缺陷、表格提取、還原、生成及字元識別、還原生成等問題,並針對bp演算法的缺陷提出了和實現了改進bp演算法,使網路學習效率提高,對不同人的不同字字體有較強的魯棒性,採用了基於鏈碼特徵和凹凸佈特徵的方法來抽取字元特徵。
  9. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為斜航(等傾角螺旋)槽形,可以大幅度改善燃燒室的冷卻性能.斜航冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航的數學模,開發了自動編程軟體系統.使用該系統,可以生成多種母輪廓回轉體外表面上的斜航數控加工程序.燃燒室收斂-擴張段的母斜率變化大,加工難度大,是斜航冷卻通道加工的最典工件.經過理論析和實際切削實驗,研究了針對該類工件的片銑刀直徑、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類零件的加工亦具有參考意義
  10. Secondly, the steps of the glass ' s image processing are discussed in detail. based on the experiments and the characteristics of interference fringe, we pre - process the images with median filter and image segmentation with dynamic threshold. after marking and thinning the resulted fringes, we analyze linearly the unifor mity of product ' s samples with the characteristics of the framework

    然後,結合檢測系統中玻璃干涉圖像處理的任務,詳細介紹了處理的各個步驟:通過實驗比較,並結合干涉條紋圖像的特點,中值濾波、動態閾值割等技術對圖像進行預處理;然後對獲得的二值條紋進行標記、細化,提取條紋骨架;最後,用骨架的特徵進行析,識別條紋的類,判斷玻璃樣品的均勻性。
  11. 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,推導出指數水平呈性趨勢的資產組合;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,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
  12. The dissertation is divided into six chapters. chapter 1, summary, which explain the importance of the topic and suggest the system, method, and main contents of this dissertation. chapter 2 : the research of the theory of national debt and the practice of the debts issuing in china, in this part, we sum up the theory of national debts and the method of researching moderate scale in china and other countries. chapter 3 : the analysis of burden of national debts in china, which analyze the debts " burden by the rate of debts " burden and the rate of repayment of debts and the degree dependence of debts and so on. chapter 4 : influence factor study of the reasonable limit of national debts " quantity, in this chapter we get the factors that mostly affect the scale. using the actual datum and modern econometric and statistical analysis method, we conclude that the repayment of capital and interest and the finance deficit are the most important factors

    第二章國債理論研究進展和我國的國債實踐,綜述國內外國債理論研究的進展和我國國債發行的實踐以及國債適度規模的研究方法。第三章我國國債債務負擔析,主要從政府償債能力和社會應債能力兩方面,取了債務依存度、國債負擔率和國債償債率等指標,通過橫縱對比,對我國國債債務負擔進行了析。第四章債務負擔合理數量界限的影響因素析,取了九個與國債密切相關的指標,通過多重共性診斷、最佳回歸模析,最後定國債還本付息額和財政赤字兩個與國債規模最密切的指標。
  13. So, the real exchange rate of rmb is chosen as the objective of this study. firstly, the international exchange rate theories are reviewed, on the basis of which one - variable autoregressive models of time series are put forward. then, according to analyzing real exchange rate theories and the properties of rmb ' s real exchange rate, a linear autoregressive model and two nonlinear regime switch models are selected as tools for this research

    首先,本文對匯率的理論研究進行了回顧,提出了使用時間序列的一元自回歸模,然後,在對實際匯率的理論研究,以及人民幣實際匯率本身所具有的特點進行析的基礎上,使用性自回歸模和非性的制度轉換模中的自我激勵閾值自回歸模和平滑過渡自回歸模來描述實際匯率的動態行為特徵。
  14. A novel flash memory, which uses the source induced band - to - band tunneling hot electron ( sibe ) injection to perform programming, and a pmos selected divided bit - line nor ( pnor ) array architecture are originally introduced in this dissertation

    本論文首次提出了一種採用源極誘導帶帶隧穿熱電子注入( sourceinducedband - to - bandtunnelinghotelectroninjection )進行編程操作的新快閃存儲器技術和一種pmos裂位nor ( pmosselecteddividedbit - linenor )快閃存貯陣列結構。
  15. Second, using the analysis method of no difference curvilinear of economics, this paper established the choice model of technology innovation stratagem

    其次,本文運用西方經濟學的無差異曲析方法,結合區域技術創新系統理論,建立區域技術創新戰略
  16. The main new points are : ( 1 ) a novel type of icc shielding layer structure has been first studied by classifying as l - type icc and c - type icc. and conclude that which icc structure is more suitable for ic realizations of i / o pad, inductors, baluns etc. ( 2 ) optimize designs of i / o pad, inductors, baluns by icc structures

    本論文主要的研究工作如下: ( 1 )新icc為感性icc屏蔽( licc )和容性icc屏蔽( cicc ) ,根據這樣的類優化別適合高頻集成電路中常用的連接、 i / opad 、集成電感和集成巴侖等無源器件的各類新icc屏蔽工藝結構。
  17. The author discussed the four steps model and provided the ameliorative method of the logit model and the solution of the fictitious public traffic routes. firstly, the author discussed the result of survey of residents trip, concluded the primary character of residents trip and put forward the method of stratified random sampling plan on that.

    預測時採用了一種比較流行的「四階段模法」 ,針對「四階段模法」的出行佈、交通配子系統展開了深入的討論,提出了針對重慶山城交通特點的「改進的logit的隨機路徑」和「虛擬公交路演算法」 。
  18. In the first stage, p coefficient is computed with time serial method ; and in the second stage, as the regressions are cross section by nature, after the linear fitting of stock values on the market to the stock values being assessed, and after the statistical tests, the relations between them are analyzed with the method of gray - related - degree, besides, on the basis of choosing model parameter rationally, the suitability of dcf to chinese capital market is testified as well

    本文實證研究採用了雙程回歸技術和灰色關聯度析方法,第一程是用時間序列求系數;第二程回歸在性質上是橫截面的,通過對股權評估價值與股權市場價值的性擬合,對其進行統計檢驗;最後,通過灰色關聯度析方法,析了二者的關聯關系,檢驗了在合理參數的基礎上, dcf方法在我國資本市場上的適用性。
  19. Chapter 4 discusses an optimal product line selection model which is based on choice data and then develops a modified model considering the possible violation on the basic assumption for discrete choice model and some applicable properties for practices. the last chapter focuses on the candy case with an effort of using these inferential results developed in this paper

    最後以糖果產品為例,模擬進行了糖果產品離散試驗和離散的擬合,並通過改進的產品優化為各細市場出了可以推出的最佳產品。
  20. It studied lots of examples overseas of logistics delivery and algorithms, analyzed many factors that affect the efficiency of delivery, and investigates the models of delivery that are popular adopted. based on it the two new reference algorithms are proposed in this thesis. one algorithm is for selecting locations of dedicated logistics distribution center, and the other is for selecting optimal routines of transportation

    本文在學習了大量電子商務理論及物流配送理論的基礎上,研究了大量的國內外的物流配送實例及物流配送演算法,對各種影響物流配送效率的因素、目前廣泛採用的物流配送方式等進行了析,給出了一種適合於我國電子商務現狀的物流配送參考模式,提出了基於internet環境的電子商務物流配送系統參考模,設計了適合於實際的配送中心址模、演算法和運輸路及演算法。
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