次要缺點 的英文怎麼說

中文拼音 [yāoquēdiǎn]
次要缺點 英文
mi : minor defeat
  • : Ⅰ名詞1 (次序; 等第) order; sequence 2 [書面語] (出外遠行時停留的處所) stopping place on a jou...
  • : 要動詞1. (求) demand; ask2. (強迫; 威脅) force; coerceⅡ名詞(姓氏) a surname
  • : Ⅰ動詞1 (缺乏; 短少) be short of; lack 2 (殘缺) be missing; be incomplete 3 (該到而未到) be ...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • 次要 : less important; secondary; subordinate; minor; next in importance
  • 缺點 : shortcoming; defect; weak point; weakness; disadvantage; drawback; foible
  1. We deduce frondose algorithm of three layers bp neural networks which is used in common, and discuss several important issues in designing neural networks which is used to forecast, for example, number of hidden layer, nerve cell number of hidden layer, epoch of learning, embryonic power value, decision of node number about input and outputo at the same time, this dissertation sums up things that conventional bp algorithm is improved on considering disadvantages of it

    3推導了常用的三層bp神經網路具體演算法,討論了實際預測應用中神經網路設計方面的幾個重問題,如隱層數、隱層神經元數、訓練數、初始權值、輸入節數以及輸出節數的確定。同時,針對傳統bp演算法存在的各種各樣的,文中綜述了對其改進的情況。
  2. Abstract : the early embryo developmental block is a common phenomenon in mammal when embryos are cultured in vitro. many studies of phosphorus, glucose, hypoxanthine and cytoplasmic factors on early embryo developmental block carried out by different methods such as morphology, biochemistry, molecular biology and micromanipulation have been reviewed. the merit and shortcoming were analyzed and the necessity of using simple or components limited media overcoming early embryo developmental block were also reviewed. media that have been shown effective in overcoming early embryo developmental block in mouse, rat, hamster, rabbit, pig, sheep, cattle and monkey were listed

    哺乳動物胚胎在體外培養中普遍存在早期發育阻滯的現象.對此,人們用形態學、生物化學、分子生物學、顯微操作等手段開展了磷酸、葡萄糖、黃嘌呤和細胞質因素對早期胚胎發育阻滯的影響的研究.本文綜合分析了共培養系統的優.說明了採用完全成分已知的培養液對進行有關研究的必性.列出了有效運用於克服小鼠、大鼠、倉鼠、兔、豬、羊、牛、猴等動物早期胚胎阻滯的成分已知的培養液的名稱。
  3. Secondly, after analyzing the strategic relations between the manufacturer and the supplier, the dissertation brings forward that the manufacturer must category the materials and select different supplier to built relations, explains the features and the advantages and disadvantages of strategic partnerships, and bring forward that the manufacturer must give some special request for the supplier strategic partner. thirdly, the dissertation analyses and summarize the existing methods of supplier selection, and point out their disadvantages. then, the dissertation apply the extenics to the dynamic selection model of the strategic supplier, building the evaluation indexes with implication systems, selecting strategic supplier with rhombus thinking method, looking for the suppliers with the extension of the matter - element, selecting the right supplier with the extension evaluating methods, replacing the dissatisfying features with the transformation matter - element method and making it more better

    本文首先對供應鏈管理和戰略合作夥伴關系的國內外研究現狀和發展趨勢進行了研究;其,對製造商和供應商的戰略合作夥伴關系進行分析,指出了製造商需對采購物料分類,針對戰略型物料選擇戰略合作夥伴建立戰略合作夥伴關系,闡明了建立戰略合作夥伴關系的特徵及優,並提出了製造商對供應商戰略合作夥伴的具體求;再,對目前存在的供應商選擇方法進行了深入的分析和總結,指出了不足之處,並提出了應用可拓理論進行供應商戰略合作夥伴選擇的思路;然後,應用可拓理論建立供應商戰略合作夥伴選擇動態模型,其中,用蘊含系方法建立評價指標體系,用菱形思維建立選擇模型,利用物元的可擴性來尋找待評供應商,用可拓評價進行收斂,並用物元變換對已經選中供應商的不滿意特徵進行變換,使其完善;最後對r企業的供應商戰略合作夥伴選擇進行了本文模型的實證部分,使模型不僅具有理論意義,更具有實踐意義。
  4. The actual design ordinarily adopts the full - size experimentation means, which has the advantages that can reflect the real resistance, but its " shortage is also obviously : complex, uneconomic and mess around

    這種設計方法的優是可以比較真實的反映結構的承載力,是太麻煩,每做試驗,不但費時費力,而且也不經濟。
  5. This scheme integrates universual data accesss technology of microsoft, which plays a more and more important role in three - lay c / s ( client / server ) and uses the technology of ado ( active data access ), adopts the asp script language in display the results and uses stored procedure of sql server in databases design. in the system of b / s, client realizes a high efficient access to the server database through displaying diversified active controls in browser and using ado to access the data source. the disposing of data accures under the database not in the font of this system. this kind of scheme cannot only bring the system a higher real time response, but also decrease data runoff of the networks, lower the possibility that web server becomes bottleneck of the system and make the system more transplantable

    當前的web數據庫訪問技術正處于發展階段,針對這種情況,本文通過分析當前各種流行的web數據庫訪問方案的優,結合在三層的c / s系統中扮演越來越重的角色的中間件技術,採用了microsoft公司所提出的一致數據訪問技術,利用ado控制項,結合當前的asp語言,底層數據庫採用了sqlserver7 . 0的存儲過程技術,設計了一種自己的web數據庫訪問方案,即在browser / server系統當中,客戶端通過顯示在瀏覽器中的各種activex控制項,通過了ado連接數據庫,數據的處理利用了存儲在數據庫內部執行,實現對後端數據庫的高效訪問,並且這種方案在給系統帶來較高的實時響應性能的同時,減少了網路數據流量,降低了web服務器成為系統瓶頸的可能性,也增強了系統的可移植性。
  6. This thesis also first presents the most straightforward and the most effective evaluation indexes on the qualities of crack filling and pothole repair, compares and analyzes the properties, the applicable situations, the strong and the weak points of crack filling materials ( such as hot asphalt cement, emulsified asphalt, modified asphalt, etc. ) and pothole repair materials ( such as hot - mix asphalt mixture and cold - mix asphalt mixture ). on the basis of the permanent demands on repair, this thesis sums up and lists the maintenance steps in crack filling and pothole repair, and advances the procedure designs to be directly adopted by maintenance workers of asphalt roads

    提出了評定瀝青路面裂縫填封和坑槽修補質量好壞最為直接、有效的評價指標,分別對用作裂縫填封材料的熱瀝青、乳化瀝青和改性瀝青及用作坑槽修補材料的熱拌瀝青混合料和冷拌瀝青混合料的性能、適用場合及優進行了比較分析,並按永久性修補求,歸納提煉了裂縫填封和坑槽修補的工藝步驟,提出了可供瀝青路面養護人員直接採用的工藝方案。
  7. Equivalent circuit method is usually used before. this method has apparent defect, that is, the ignorance of higher order mode effect, which can greatly affect the computational accuracy. in cases that require high accuracy, this method is unusable

    以前一般採用等效電路法分析和設計脊波導元器件;這種方法的比較明顯,那就是對高模的影響不加考慮,使得計算精度大受影響,在較高求的場合甚至完全不可用。
  8. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優。其,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  9. Among hese method, one of the simplest is the deepest gradient descent algorithm, but it has one disadvantage that the solutions are oscillatory and slowly convergent. a friction term is ntroduced to avoid oscillatory solutions and raise convergence rate. the third major contribution of this dissertation is study on 3 - d diffuse object surface optical automatic measurement

    ,結合處理的具體問題,介紹數值優化及幾種常用的無約束最優化計算方法,以最優梯度法為基礎,討論其演算法的優,通過引進阻尼系數,改進了演算法的收斂速度,從而提高迭代精度。
  10. Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information

    本文的研究工作主包括以下五個部分:首先,介紹航空發動機常見的磨損故障類型,研究磨損故障的失效機理,分析磨粒的產生機理、分類以及形態特徵:其,針對傳統鐵譜分析技術的,引入圖像分析技術,再結合特徵參數優化篩選,形成基於圖像的磨粒顯微形態學特徵描述方法:然後,基於提取到的磨粒形態特徵信息,應用模式識別方法完成磨粒自動識別,並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位:再后,鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷,本文引入信息融合技術,開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索;最後,基於航空發動機滑油光譜分析與鐵譜分析數據,應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。
  11. The principle and the mechanical structure of the air - gap inductance - type transducer are analyzed in this article, and the static parameters are calibrated. dynamic calibration is applied to air - gap inductance - type transducer which is not good in dynamic capability, to obtain the dynamic parameters of the transducer and its measuring circuit. based on the result of the dynamic calibration, the transducer and its serving circuit are modeled so that the method of how to improve the dynamic performance can be found

    本文對現有氣隙式電感傳感器在原理和機械結構上作了深入的分析,對其參數進行了靜態標定;並且針對常規電感傳感器動態響應低,不宜用於快速動態測量的,引入測試系統動力學的思想,設計了一套動態校準系統,對現有傳感器進行多動態校準,根據動態校準的實驗結果對現有傳感器建立數學模型,得到現有傳感器的動態特性;在此基礎上,根據磨床工件在線檢測的求,設計一個硬體補償系統來提高整個測試系統的動態特性。
  12. First, tlle author describes the reievant theories on venture capital, carries out the necessary ciassification and sun1marizes tl1e deveiopment process and the theoretical background for venture capital, including the introduction of risky invesment ' s concept and characteristics, the necessity for the development of venture capital, the ec6nomic interpretation td the venture capital, the development of venture capital etc. second, the author introduces and analyses the policies of venture capital supported by the koreal1 government, points out the advantages and disadvantages of various government supportive policies for venture capital

    首先,介紹了風險投資的相關理論,對風險投資的發展歷程和理論背景進行了必的整理和概括。包括介紹風險投資的概念和特;發展風險投資的必然性;對風險投資發展的經濟學解釋;風險投資的發展歷史等。其,對韓國政府支援風險投資的政策進行了介紹和分析,指出了各項支援政策的優
  13. It is due to these cultural traits that westerners are more used to making bold hypotheses. as a result, many important and revolutionary discoveries were made. the disadvantage of this is that some of these new ideas and hypotheses may not have solid foundations, but this fault is a minor one where creativity is concerned

    正因為這些文化傳統,西方人士比較習慣提出大膽假設,因而產生了許多重的革命性的成果,而其是一些新想法或假設也許沒有很好的基礎,不過相對大膽的假設而言,這個在創新發明中是比較的。
  14. Lastly, in the eagka protocol that holds n group members, and total key agreements are n ( n - 1 ), so the efficiency of the protocol is very low, when n is

    最後,針對n個群成員的eagka協議,總共需n ( n - 1 )密鑰協商和簽名驗證的,提出了一種基於schnorr的高效的認證群密鑰協商協議? ? seagka協議。
  15. Soil springs are used around the pipe including vertical, lateral and axial soil springs to consider the interaction between the pipeline and the surrounding soil. the pipe segment near fault that usually suffers large deformation is modeled with a plastic shell element in order to consider the effect of local buckling and section deformation. to reduce the calculating time of the whole model, an equivalent spring proposed by the author is applied at two ends of the shell model

    為了解決現有的殼單元方法需大量計算機時的,本論文首從理論上把離斷層較遠管土之間相對變形較小的管子直線段部分的變形等效為一個非線性彈簧,將此等效邊界引入到有限元模型中,使得模型中的殼單元部分主用來分析我們所感興趣的在斷層附近發生大變形的管段,從而達到節約計算時間的目的。
  16. Traditional forging die manufacturing including a lot of process and using eom to form the impression results some disadvantages such as longer production time and higher cost

    常規鍛模加工,由於加工道多,且需採用放電加工製造模穴,導致有製造時間長,且成本偏高的
  17. Establishing 3 - d terrain models with vector contour lines and elevation terrain models with the help of the determination of space corresponding relations between contour lines, tile operation and branch operation. explanation of real - time reflection of terrain models, including three algorithms in lod technology, compared with quadtree algorithm, roam algorithm and the algorithm based on the intermediate belt, to show the advantages and disadvantages of the different situations of the terrains, so as to find out the right algorithm, the quadtree algorithm. developing and implementing the fast demonstration on the vc platform with three - dimentional visualization techniques, such as vrml and opengl, providing a persuasive argument for the research

    論文首先概括介紹了用等高線快速建立3d地面模型和顯示的相關技術,並論述了課題研究的背景和選題依據;其,論文闡述了如何對等高線數據進行預處理,提出了有效的得到矢量化等高線的方法;再用矢量化的等高線數據建立三維地面模型,通過等高線間的對應關系的確定、瓦片操作、分支操作建立地面的高程模型;然後論文對地面模型的實時渲染問題進行了深入闡述,主是從lod技術的三種演算法著手進行研究,通過對比四叉樹演算法、 roam演算法和基於過渡帶演算法對不同種情況的地面數據顯示的優,再結合本系統的地形數據的特選擇了適合的演算法:四叉樹演算法;最後,用vrml和基於opengl的三維可視化技術在vc平臺上開發並實現了地形的三維快速顯示系統,為論文的研究內容提供了有力的論證。
  18. Strategies for the preparation of zeolite molecular membranes, such as in - situ hydrothermal synthesis, secondary growth, microwave synthesis and pulsed laser ablation, are reviewed

    介紹了合成沸石膜的常用方法,如:原位水熱合成法、二生長法、微波法及脈沖激光燒蝕法,並對各種方法進行了比較,指出了其優
  19. In the surveillance system of cns / atm, secondary surveillance radar ( ssr ) is used in busy air space, and automatic dependent surveillance ( ads ) is used in other air spaces. ssr and ads can also be integrated. and ads can improve the efficiency of air space in the areas of ocean and desert where there is less flight route and large separation between aircrafts

    在新航行系統的監視系統中,主發展雷達監視和自動相關監視,在繁忙空域採用二雷達監視,其它空域採用自動相關監視,並且可以實現二者的數據耦合;通過自動相關監視,可以克服海洋、荒漠空域航線少,飛機間隔大的,提高空域利用率。
  20. Now, as the gang of four mentioned, the main disadvantage of using visitors is that it becomes a little harder to add new classes into the composite hierarchy

    現在,如「四人組」所提到的那樣,使用訪問器的主是將新類添加到復合層結構中變得有困難。
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