約計重量 的英文怎麼說

中文拼音 [yāojìzhòngliáng]
約計重量 英文
approximate weight
  • 約 : 約動詞[口語] （用秤稱） weigh
  • 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...
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 約計 : count roughly; come roughly to
  • 重量 : weight; scale; heft
  1. On the premise of a given set of material parameter, structural boundary shape and condition, design variables - thickness of plate and shell, is designed to minimize the structural weight subjected to the constraint conditions. 1. for the problem with size and stress constraints, full stress design method is used to solve the sectional optimization of plate and shell structures

    在給定了板殼的材料常數、板殼結構的邊界形狀和邊界條件的前提下，確定表徵板殼厚度的設計變量，在滿足約束條件下實現結構重量最小： 1 .對于尺寸和應力約束的問題，使用滿應力方法求解。
  2. Taking thickness of web members and main chords as design variables and the lightest weight of crane booms as objective junction, considering constraints of rigidity and stability etc., this paper establishes the math model of optimal design

    摘要選取起重機臂架的腹桿壁厚和各節臂架的主弦桿壁厚為設計變量，以最小重量為優化目標，考慮剛度和穩定性等約束條件，建立優化數學模型。
  3. The chinese gold and silver exchange society operates one of the largest gold bullion markets in the world. gold traded through the society is of 99 per cent fineness, weighted in taels ( one tael equals approximately 1. 2 troy ounces ) and quoted in hong kong dollars

    金銀業貿易場經營的黃金市場，是世界最大黃金買賣市場之一。在金銀業貿易場交易的黃金純度為99 % ，稱為九九金。九九金的重量以?計算（ 1 ?約等於1
  4. This thesis set forth the method and process of designing to kiln tyre using robust method. when constructing the math model, it was thought of that there were structure parameters, such as the tyre " media and width, and a series of uncontrolled factors ( contact stress, bend stress stiffness and temperature stress, and the aim is to optimize the weight of the tyre )

    在構建數學模型中，考慮了輪帶內徑、輪帶寬度等結構參數以及輪帶的允用接觸應力、允用彎曲應力、輪帶的彈性模量、輪帶內外表面的溫差等不可控因素，以輪帶的接觸應力、彎曲應力、剛度溫度應力為約束條件，以輪帶的重量最輕為優化目標，通過改變輪帶的寬度以及輪帶的外徑進行參數優化設計。
  5. Chicken and pig production ( in terms of body weight ) increased by 24 per cent and four per cent respectively compared to the year before. local agricultural production in the previous 12 months was valued at about $ 1. 22 billion

    雞和豬的產量（按重量計）較去年分別上升24 %及4 % ，而在過去12個月，本地農業生產總值約為12億2 ， 000萬元。
  6. To reduce the weight and cost of finishing mill to the minimum, optimum design computes the important parameters with constrained cyclic coordinate method, and precision is improved further. database is used to maintain data user puts into and infer

    而輥系優化推理部分以降低精軋機重量和減少造價為目的，採用約束坐標輪換法對輥系和機架參數進行優化推理，進一步提高設計精度。
  7. First, the design work was done according to the working conditions, and related correlative formulae were taken. in view of the manufacture, size, weight and other related confined conditions, miniature coiled tube evaporator was developed

    首先根據既定工況，通過經驗公式對微型蒸發器進行設計計算，考慮加工條件、材質、體積、重量等相關條件的制約，最後設計製造了微型螺旋管蒸發器。
  8. Gold traded through the society is of 99 per cent fineness, weighted in taels ( one tael equals approximately 1. 2 troy ounces ) and quoted in hong kong dollars

    在金銀業貿易場交易的黃金純度為99 % ，稱為九九金。九九金的重量以?計算（ 1 ?約等於1
  9. This paper established optimization mathematical models with the structural reliability constraints based on the structural reliability analysis. in this paper, truss and beam structures are studied as the research objects and the structural elements cross sectional areas as the design variables

    在結構可靠性分析的基礎上，構建了以桿、梁截面積為設計變量，使結構重量極小化為目標函數，同時具有應力和位移可靠性約束的優化設計數學模型。
  10. Based on finite element and general reliability analysis, the structural optimization design model based on probability is constructed, which refers the cross - section areas as the design variables, refers the minimum of the frame ’ s weight as the object with the reliability restricts of stress and displacement

    在結構廣義可靠性分析的基礎上，構建了以桿截面積為設計變量，使結構重量極小化為目標函數，同時具有應力和位移廣義可靠性約束的優化設計數學模型，並將其應用於天線結構的優化設計之中。
  11. Abstract : a new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted

    文摘:探討了一種新的設計指標最優分配方法- -協同分配法，用於處理飛機頂層設計中的大規模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵，據此給出了協同法的原理並建立了數學模型.協同法按設計指標分配關系將最優分配問題分解為主系統優化和子系統優化，主優化對子系統設計指標進行最優分配，子優化以最小化分配設計指標值與期望設計指標值之間的差異為目標，進行子系統最優設計，或對底層元件（如飛機翼梁、翼肋和翼盒等）進行設計指標最優分配，並把最優解信息反饋給主優化.主優化通過子優化最優解信息構成的一致性約束協調分配量，提高系統整體性能，並重新給出分配方案.主系統與子系統反復協調，直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的正確性與可行性，三層可靠度指標分配算例證明了本文方法的有效性.最後，以重量指標分配為例，簡要敘述了針對飛機頂層設計中設計指標協同分配的數學模型和求解思路
  12. A new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted

    探討了一種新的設計指標最優分配方法- -協同分配法，用於處理飛機頂層設計中的大規模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵，據此給出了協同法的原理並建立了數學模型.協同法按設計指標分配關系將最優分配問題分解為主系統優化和子系統優化，主優化對子系統設計指標進行最優分配，子優化以最小化分配設計指標值與期望設計指標值之間的差異為目標，進行子系統最優設計，或對底層元件（如飛機翼梁、翼肋和翼盒等）進行設計指標最優分配，並把最優解信息反饋給主優化.主優化通過子優化最優解信息構成的一致性約束協調分配量，提高系統整體性能，並重新給出分配方案.主系統與子系統反復協調，直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的正確性與可行性，三層可靠度指標分配算例證明了本文方法的有效性.最後，以重量指標分配為例，簡要敘述了針對飛機頂層設計中設計指標協同分配的數學模型和求解思路
  13. The dissertation accounts for that the basic reason that the accounting policy choice characterized of opportunism is the native defect of the contractual theory. another important factor is that the inside and outside mechanism of restriction of accounting policy choice is out of balance

    筆者認為，契約理論下的會計政策選擇之所以具有機會主義特徵與契約理論自身的缺陷有關，同時會計政策選擇內外約束機制的失衡及其會計質量水準不高也是重要的因素。
  14. During this period, the company accepted the internal and external decorating projects for yantai civil aviation building, the glass curtain wall project for the building of bank of china in jinan ( it lies in the most flourishing commercial area. it is a 25 - story building with a height of about 100 meters. the project costs about 10 million rmb ), the external vertical decorating project for jinan real estate building ( the project is a key construction project in jinan city

    2000年至今公司在總體規模、施工能力及管理水平上再上新臺階，在此期間，公司憑實力先後承接了煙臺民航大廈內外裝工程、濟南市中銀大廈玻璃幕墻工程（該工程位於濟南市最繁華商業區，共25層，高度約100米，專項造價約1000萬元） 、濟南市房產大廈外立面裝飾工程（該工程為濟南市政府重點建設項目，共26層，高度約150米，專項造價約1300萬元，公司為此動用了同濟大學專家設計力量及國內一流的施工隊伍） 、人民銀行濟南分行金庫單元幕墻窗工程等。
  15. We have deeply studied the old design mode and point out that the lubricating advantages of this type of worm gear drive is not fully used. we put forward a new way which optimizes the lubricating property

    因此，提出以潤滑性能為優化目標、以蝸桿強度、剛度、重量等為約束條件進行該型蝸桿副幾何參數優化設計的方案，模擬結果表明該方案有明顯效果。
  16. The car body was optimized in structure with this optimum method, with the lightest weight of the car body bearing structure as the object, with the thickness of the main member plate on the car body as the variant, with the strength, rigidity and technology condition as the restraint. through the optimization analysis, the lighting design parameters of main plates in the car body bearing structure are obtained

    在優化設計模型中，以車體承載結構重量最輕為目標，以車體主要板梁件的尺寸參數為設計變量，以強度、剛度和工藝條件為約束，通過優化分析，獲得了車體承載結構主要板梁件的輕量化設計參數。
  17. The decision tree had a lot of algorithms, this paper focus on the optimization of fast classification in the face of n - value attribute of id3 algorithm which had parameters of user ' s interest. on the basis of avoiding the weak relevant attribute of n - value covered the worth strong relevant attribute, simplify complexity of the original algorithm and code cost through the mathematics tool, thus raise the speed of operation while using this algorithm, and lower costs in thrift as much as possible, to raise the efficiency

    決策樹學習有很多演算法，本文著重研究了對引入用戶興趣度參數的id3演算法在面對多值屬性時的快速分類的優化，在避免了多值弱相關屬性覆蓋少值強相關屬性的基礎上，通過數學工具簡化原演算法的復雜度和編碼代價，從而提高使用該演算法時的運算速度，盡量多的節約計算時間，從而達到降低成本的，提高效率的目的。
  18. Today ' s so - called ultralight computers, which retail from about $ 1, 800 to more than $ 3, 000, are less than an inch thick, weigh less than three pounds, and have the computing power of a typical year - old desktop

    現在，這種所謂超輕電腦零售價大約在1800到3000多美元，該電腦的厚度不到一英寸，重量不到3磅，其計算能力相當於一年前一臺普通的臺式電腦。
  19. Today ' s so - called ultralight computers ， which retail from about $ 1 ， 800 to more than $ 3 ， 000 ， are le than an inch thick ， weigh le than three pounds ， and have the computing power of a typical year - old desktop

    現在，這種所謂超輕電腦零售價大約在1800到3000多美元，該電腦的厚度不到一英寸，重量不到3磅，其計算能力相當於一年前一臺普通的臺式電腦。
  20. Nonlinear characteristics of axial contact rotor - stator system with coupled bending and torsion

    結構耦合系統聲壓約束下板重量優化設計研究
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