約化平面 的英文怎麼說

中文拼音 [yāohuàpíngmiàn]
約化平面 英文
reduced piston
  • : 約動詞[口語] (用秤稱) weigh
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. Associated some complex principles and the organization phenomenon theory, this indeed was a very interesting example : “ the complanation, non - centralized organizational structure can find the extremely good compromise between the conflict restriction factor

    聯想到最近正在研究的一些關于復雜性原理和自組織現象的理論,這的確是個很有意思的實例: 「的、非集中的組織結構能夠在互相沖突的制因素之間找到非常好的妥協。 」
  2. Associated some complex principles and the organization phenomenon theory, this indeed was a very interesting example : “ the complanation, the non - centralized organizational structure can conflict mutually between the restriction factor and find the extremely good compromise

    聯想到最近正在研究的一些關于復雜性原理和自組織現象的理論,這的確是個很有意思的實例: 「的、非集中的組織結構能夠在互相沖突的制因素之間找到非常好的妥協。 」
  3. Mount fushan new area : with the total area of 4 skm and 78 hectares of usable land for commercial use, it has now attracted shimao group and grease monkey from usa, it is to be built into an urban complex with cultural and ecological features, integrating commerce, culture, tourism and entertainment, etc

    浮山新區:佔地4方公里,可規劃商業用地78公頃,已吸引世茂集團、美國油猴等知名企業入駐,將建成具有人文品位和生態理念,涵蓋商貿文、旅遊休閑的都市功能復合體。
  4. The evolution laws of structural weight, the best optimum fitness, average fitness, maximum nodal stress and displacement with increasing generations are discussed. and multi - result fact of the topology optimization can be obtained by ga - fem. the research results in this thesis show that the developed method is successful in the topology optimization for 2d continuum structures under multi - load and multi - constrain conditions

    上述工作表明,本文ga ? fem可以實現多載荷、多束條件下連續結構拓撲優,與eso等優方法獲得的優結果相比,本文的優結果不存在單元鉸接和不連續單元,優結構多樣,質量更小,效果更優。
  5. The system depends on the features of rapidness, simplicity, driving by parameter and fitting for designers ’ habits and blends the size parameter into data structure and by using the driving technology realizes the drawing of single and double track lines of inter - station and the plane arrangement maps of station contact net

    該系統依賴參數方法所具備的快速、簡潔、參數驅動、符合設計者習慣等特性,將尺寸參數融入到數據結構中,利用尺寸驅動技術實現尺寸束,實現區間單、復線和站場接觸網布置圖的繪制。
  6. It includes two aspects in content : one is the best choice for plane disposal of pipeline, and its methods follows as decision - making plot, simple trapeziform and optimizing trunkform etc ; the other one is optimizing pipe parameter when the plane disposal of pipeline has been fixed, and the methods of which are linear programming, unlinear programming, dynamic optimizing, direct optimizing, hereditary arithmetic and so on

    污水管網優設計包括兩個方的內容:一是管線布置的優選擇;其方法有:決策圖法,簡梯度法,優樹法等。二是在管線布置已定情況下進行管道參數的優;其方法有:線性規劃法,非線性規劃法,動態優法,遺傳演算法,直接優法等。
  7. Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions

    雙三角翼氣動布局比三角翼飛機具有更好的大攻角空氣動力特性.引入了評估教練機訓練效能的作戰分析法,研究了雙三角機翼布局飛機空氣動力特性的工程計算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並選取機翼形狀的幾何參數為設計變量,採用多變量數值尋優方法,在戰術技術指標及相關幾何束條件下,對某高級教練機的雙三角機翼氣動布局方案進行了優選擇.算例表明最優方案不僅比原準方案具有更高的訓練效能,還改善了結構的受力情況,與工程實踐吻合
  8. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是:對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結,指出當前預應力鋼結構工程實踐中存在的主要問題;闡述了預應力鋼結構的受力機理,並指出預應力鋼結構的適用范圍和特點;在考慮結構應力和變位束的條件下,建立預應力鋼結構優設計模型;提出多次預應力鋼結構優設計方法和步驟,採用線性規劃和滿束準則相結合的優方法,可優設計出施加的每一級預應力的大小,並得到結構各部分的優;對多次預應力最佳的施加次數作了分析,並建議以2 3次為宜;為驗證文中理論和方法,分別對大跨多次預應力鋼屋架、局部布索的水行弦鋼桁架、整體布索的水行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優設計,經濟效益明顯;對水行弦鋼桁架的幾種施加預應力的方案進行比較,對于局部布索,預應力只對下弦起到卸載作用,對上弦和腹桿基本不起作用;而整體布索預應力除對下弦卸載外,對索折點以外部分腹桿也起到卸載作用,經濟效益好於局部布索。
  9. Social environment and the challenge of developing of science and technology. through analyzing it finds the inevitable trend that is socialization of troops logistics support, it try to solve the problems that appeared in socialization of troops logistics support

    第二章分析了我軍後勤保障社會臨的發展不衡、社會環境制軍隊後勤社會進一步展開及科技進步發展對後勤保障造成的挑戰等主要問題。
  10. By analyzing all sorts of data involved in the drawing of plane arrangement of the contact net, the paper then presents and realizes the sub - systems of drawing data management, which includes setting up the data structure, programming and managing of the data and provides the drawing data for the whole system used for the later drawing, finally by introducing the concerned theories of the parameterized design explains the similarities and differences and their applied scope of all kinds of parameterized technologies, and by associating with the features of the plane arrangement maps of the railway contact net analyzing size restraint of contact net

    它是針對鐵路接觸網布置圖的特點來完成選擇區間或站場繪制、圖紙設定、圖型設定、字元高度、圖型坐標點、繪圖基點和圖型數據文件保存路徑的設置以及布置圖的標注欄和明細表尺寸設置;緊接著通過對接觸網布置圖的繪圖中所涉及的各種類型數據進行分析,提出並實現繪圖數據管理子系統,它包括建立繪圖系統的數據結構,對數據進行編輯管理,向整個系統提供繪圖數據,供其後的圖形繪制使用;最後通過對參數設計的相關理論進行介紹,闡述了各種參數技術的異同點和適用范圍,並結合鐵路接觸網布置圖的特點具體分析了接觸網線路的尺寸束。
  11. The peak rate of deglaciation following the last ice age was a sustained rate of melting of more than 14, 000 cubic kilometers a year ? about one meter of sea - level rise every 20 years, which was maintained for several centuries

    從上個冰期以來,冰川消退的高峰值為每年持續融1萬4000立方公里,相當于海每20年上升一公尺,而且維持了幾個世紀。
  12. To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented

    避免目前連續體結構拓撲優過程中經常出現的單元鉸接以及「棋盤格」等現象,研究了連續體結構拓撲優過程的拓撲分析方法,以及在計算機上實現的簡便演算法.根據代數拓撲理論,單元及連續體的邊界作為1 -復形進行運算.利用圖論中的鄰接向量概念,在計算機上實現了結構的拓撲描述及拓撲運算,得到了結構在拓撲演過程中的拓撲特性,方法簡單、可靠.在一定的拓撲束下,根據應力分析結果,採用刪除單元、單元退、移動節點等方法,可以用較少單元得到更為滿意的結果,提高計算效率.為演示方法的有效性,給出幾個包括常見經典問題的解答
  13. The keep with bounds were be fuzzy by the method of oblige line. this program not only has been used to optimization the pdew but also could used to control the fuzzy factor that could change the strength of fuzzy. when the fuzzy factor equal to one, the fuzzy optimization program could change to a general optimization program

    該優設計程序不僅適應于二次包絡環蝸桿傳動的模糊優,而且可以改變模糊因子的大小,控制束條件的模糊程度,甚至變換為常規的優設計程序,程序的適用范圍較廣。
  14. Steel - structured residential housing is environment - friendly and meets the requirement for a sustained development. furthermore, it ' s easier for the process of industrialization, production standardization, and installation. there are less wet operation and pollution on the construction site, which is conducive to environment protection

    鋼結構住宅是環保型住宅,符合可持續發展要求,具有便於組織工業、標準生產,安裝方便,施工現場濕作業少,污染小,符合環保建築施工的要求,建造速度快(工期可縮短1 / 2到1 / 3 ) ,布局靈活,凈使用積大(提高5 8 % ) ,自重輕(為混凝土結構的1 / 2 3 / 5 ) ,綜合造價低等優點,是我國推進住宅產業現代的較理想的住宅建築體系。
  15. Thirdly, at the platform of adams, the virtual prototype of the model is founded, by using the toolbox of adams and fortran language to apply constrains and forces to the parts of the model. using the virtual prototype, dynamic simulations of the multi - rigid - body gun system are carried out under the conditions of single, repeating and planar revolving shoots

    在adams軟體臺下,結合fortran語言,對航炮系統的各個部件施加束和力,編寫模擬腳本文件,建立航炮系統虛擬樣機,進行了單發、連發和掃射的多剛體系統動力學三維可視模擬。
  16. Cang ming gallery, which locates in no. 27 guan yin tang art avenue, has a business area of 500 square meters with two layers for large art exhibition

    藏銘畫廊成立於2006年,駐地于觀音堂文大道27號,內設2層展廳,500米,可進行各種大型的藝術展示活動。
  17. When a slope deformation is limited not only by bottom slide plane but also by lateral slide planes, the calculated stability coefficient by using a two - dimension model is usually lower than the actual situation

    摘要當邊坡的變形不僅受底部邊界束而比還受側限作用時,其穩定性計算按問題簡常存在較大的誤差。
  18. Paleogeomorphology framework is controlled by regional tectonic movement change, and it has impact on sedimentary ratio change, sedimentary center transference, and sediment preservation, at the same time, paleogeomorphology framework restricts the types of facies and plane distribution of facies zone

    古地貌格局的變受控于區域構造運動變,影響著沉積速率變、沉積中心遷移及沉積物保存,制著塔中地區的沉積相類型及沉積相帶的展布。
  19. Secondly, the problem of the curve - surface mutual transforming and smooth - finishing have been analyzed farther. for the surface intersecting problem : owing to the introduction of the boundary points, as long as the intersecting points on a certain line, the full intersecting line can be gained. the intersecting line either intersects at the boundary of the triangle surface or forms the loop ; during the course of tracking, the selecting of the pace is restricted by the curvature, the number of the gained intersecting points are not in proportion as the chord - length ; the intersecting points not only record the coordinate and store the parameter

    對兩曲求交問題,當曲足夠小時,曲求交可近似看成曲相交問題,引進了邊界點的概念,因此只要知道交線上的任意點,就可以將跨越許多曲片的整條交線計算出來,所求出的交線或者跨越曲的邊界,或者形成交線環;從初始點出發跟蹤求解整條交線的過程中,步長的選擇採用了通過曲片曲率來束的方法,用該方法求出的交點在不同曲片上的分佈數目不與弦長成正比;該求交方法包含了各曲片的邊界線與交線的交點的求解,可獲得邊界交點的坐標值及其參數值。
  20. According to an assessment report published by the inter - governmental panel on climate change ipcc in 2001, one of the consequences of global warming was the rise in sea level due to thermal expansion of the upper layer of the ocean and melting of polar ice caps and mountain glaciers, and it was estimated that the global mean sea level had risen by one to two millimetres per year in the 20th century. there are, however, considerable regional variation in the sea level change as global warming would affect atmospheric and oceanic circulations and hence the regional climate and sea level

    根據政府間氣候變專業委員會ipcc在二一年發表的評估報告,全球變暖導致海水受熱膨脹以及兩極冰冠和雪山冰川融,造成全球海上升,在二十世紀全球海均每年上升了一至二毫米,但區域性的差異相當之大,這主要是因為全球變暖影響了大氣及海洋環流,引致區域性的天氣及海
分享友人