symmetrical structure 中文意思是什麼

symmetrical structure 解釋
對稱結構
  • structure : n. 1. 構造，結構；組織；石理，石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】（直接經驗中顯現的）結構性，整體性；整體結構。adj. -d ,-less adj.
  1. Abstract : a conclusion has been proved indelail that only if the na tural frequency k of a symmetric structure is nota duplicate root, the vibra tion mode of the strusture must be symmetrical orantisymmetrical. this conclusio n is advantageous to simplify the structural dynamicanalysis and pratically usef ul

    文摘:給出了有關對稱結構體系的動力特性的一個結論：對稱的結構振動體系，對應于任一非重根的自振頻率，其主振型必定是對稱的或反對稱的.並給出了詳細的證明.應用這個結論，有利於對稱結構動力分析的簡化，具有實用價值
  2. This article is to discuss the tittle of antithesis and anti the tical couplet based on aesthetic and the symmetrical art of character. firt, study the functions of the genenal symmetrical art and the characteristic symmetrical art. chinese chacters have " four ones ". that means one structure one sound

    但是，全世界的所有文字中，唯一只有漢字具有全面對稱美的功能，這是由漢字的「四個一」特點所決定的，即每個漢字都具有一形、一音、一義、一位的特點。
  3. Secondly, this paper made some theoretic researches on its engineering classfication and applicable scope for this technology ; then combining with project example, this paper carried out scheme design for this technology, and compared some different kinds of underpinning scheme and node and structure design, and put forward the method of " reinforcce steel bar through column " to build pile cap beam, " resistant bend and shear anchored reinforce steel bar " to strengthen column consolidation effect, and the method of " steel plate hoop " to build reinforcing bar connection of the foundation beam, etc. in the process of the consturction scheme research and implement, this paper synthetically elaborated the organizaton for project construction, put forward the construction technical measure of specific aim on the artificial pile, and pile cap beam, and underground adding layer and structure stabilization, and overall structure stabilization and so on. for this project, adopt reinforcing bar concrete to brace hole wall to ensure the safety of engineering in the artificial pile construction, use flexible connection catch to make the cage hoisting easier to simplify the construction process, use the method of earthwork statified symmetrical balance in the process of underground adding layer excavation

    本文首先對于基礎托換與結構加固技術的目的和意義、國內外發展狀況進行了綜合闡述；其次對該項技術工程分類及適應范圍進行了理論上的分析研究；然後結合工程實例對該項技術進行了方案設計，對比幾種不同的托換方案和節點及構造設計，提出了「通筋穿柱法」做承臺梁， 「抗彎抗剪錨筋法」強化柱加固效果， 「鋼板箍法」做地基梁鋼筋連接點等多項技術；在施工方案的研究和實施過程中，對于工程施工組織進行綜合闡述，並就人工挖孔樁、承臺梁、地下加層及結構加固、整體結構穩定等專項施工方案提出有針對性的施工技術措施，人工挖孔樁施工採用鋼筋砼護壁確保挖孔樁的安全成型，使用柔性連接鉤進行鋼筋籠吊裝簡化施工工序；承臺梁施工採用梁主筋橫穿柱身化學膠錨固等；地下加層綜合施工技術採用土方分層對稱平衡開挖，分段挖土做筏基結構自穩等；最後對于該工程實施后的效果分析，說明該項綜合施工技術的可行性。
  4. In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods

    而精確預測無線電波傳播路徑損耗特性，則為合理的微蜂窩無線網路規劃、設計提供了必要條件，同時也是研究微蜂窩移動通信系統性能的前提。無線電波傳播預測的方法分為兩類：一是用沖激響應法，即根據實驗、統計所得數據建立經驗性傳播預測模型；另一種是用射線跟蹤方法，即依據理論分析來建立確定性的傳播預測模型。本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性，介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型，並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。
  5. The antenna system has a good characteristic with wide symmetrical beamwidth, broad impedance bandwidth and compact structure

    整個線性漸變槽天線系統具有對稱波瓣、寬頻帶、寬主瓣和結構緊湊等特點。
  6. Symmetrical structure, simplicity with slight change, two high cabinets with super capacity, make this kitchen an ideal resting place for fast - pace urban life

    略微對稱式的造型，簡約中夾帶著細微的變化，在兩個超大容量的高立櫃守候下，情趣盎然，令人艷羨不已。
  7. Rating structure for ac high - voltage circuit breakers rated on a symmetrical current basis

    基於對稱電流的交流高壓斷路器額定結構
  8. The article below deals with the mechanism research of this kind of machine, describing the structure and principle ; theoretically analyzing the data to derive formula ; tentatively proposing theory of radial flow between parallel plates for future design ; pores arrangement, i. e., longitudinal pores are equally spaced, horizontal pores bore size is preferred unequal and rows distance can be either equal or not but generally smaller than pores distance, and rows shall be odd numbers and are arranged symmetrical from the center row and bore size reduces gradually from the center row

    本文對氣墊機作了機理研究，描述了氣墊機的結構型式及工作原理，對氣墊機的主參數作了理論分析，根據平行平板間的徑向流動理論，建立了計算模型，導出了計算公式，可作為氣墊設計理論的依據；提出了氣孔布置的原則：縱向孔間距相等較好，橫向孔徑不等為佳，橫向孔排距可以相等，也可以不相等，但一般小於孔間距。氣孔排數應為奇數，由中心兩側呈對稱布置，孔徑由中心向兩旁逐漸減小。
  9. Symmetrical structure of the sentence has a flowing sense about it

    簡短對稱的句子結構，給人朗朗上口感覺。
  10. Symmetrical structure of the sentence has a flowing sense about it. projecting the innovative technique and reliable quality of canon printer

    簡短對稱的句子結構，給人朗朗上口感覺。突出了佳能印表機技術的創新，與品質的可靠。
  11. We note that the structure is symmetrical and that sways represent antisymmetrical loading.

    注意結構是對稱的，而節點線位移表示反對稱荷載。
  12. It has small diameter, strong expansibility, symmetrical structure and simple path searching algorithms, etc., what more, many interconnection networks with different topologies can be easily embedded in it. so it becomes one of the most important and attractive network models. in this thesis, based on the above two aspects, the fault - tolerance and routing algorithms of the hypercube are studied

    超立方體網路是多處理機系統中常見的一種互連網路，這種網路拓撲結構由於具有直徑小、可擴展性強、結構對稱、網路尋路演算法簡單等優點，且多種拓撲結構的互連網路都可以很容易的嵌入其中，因而成為最重要和最具吸引力的網路模型之一。
  13. For the first time, based on frame structure with large thick raft plinth and many engineering examples, analytic method of interaction that means the analysis on three parts above as a whole with a full consideration of interaction thereof that met the need of the deformation correspond on the boundary was used to research on the interaction of structure and groundsill in this paper. and five models were adopted, which were : ( 1 ) a tube with symmetrical double - axis structure and symmetrical loads, ( 2 ) two tubes with symmetrical double - axis structure and symmetrical loads, and ( 3 ) a tube with symmetrical single - axis structure and symmetrical loads, and ( 4 ) two tubes with symmetrical double - axis structure and unsymmetrical loads, and ( 5 ) two tubes with unsymmetrical structure and loads. based on the middle - thick slab theory from mindli and the model for groundsill from winkle, the deformation character of raft foundation and the distributing rule for resisting force of fundus were studied in details by using b ig - style fem ( finite element member ) software, ansys

    本文結合了大量的工程實例，以大底盤框架厚筏結構形式為研究對象，針對單個和多個塔樓布置於同一個大底盤框架厚筏基上的復雜結構體系，分（ 1 ）一個塔樓：結構布置雙軸對稱，荷載對稱的情況； （ 2 ）兩個塔樓：結構布置雙軸對稱，荷載對稱的情況； （ 3 ）一個塔樓：結構布置單軸對稱，荷載對稱的情? ； （ 4 ）兩個塔樓：結構布置雙軸對稱，荷載不對稱的情況； （ 5 ）兩個塔樓：結構布置和荷載均不對稱的情況等五種組合情況，全面系統地探討了上部結構?基礎?地基相互作用的大跨度基礎、基礎板變形特徵及其基底反力的分佈規律。
  14. ( 2 ) based on the wave equation in the acoustic fluid space and the theory of thin - wall structure, the non - symmetrical coupled structure - acoustic dynamic equation without damping is studied. the non - symmetric system of the finite element model for coupled structure - acoustic response is solved by the conjugate subspace iteration method

    由聲空間波動方程和薄板理論出發，對聲場?結構耦合系統的模態分析提出了有限元數值方法，採用共扼子空間迭代法對非對稱特徵方程進行處理，採用靜凝聚法消除質量矩陣的奇異性。
  15. In the design, gear and spline were adopted, so symmetrical movement of ( collimator ’ s ) lead gates can be achieved easily, mechanical structure became more compact. worm was adopted to adjust mirrors accurately, and deflection of mirrors can be prevented in case of the external impacts or vibrations

    採用齒輪齒條結構，實現鉛門的對稱開合運動，使子系統的機械結構更為緊湊，同時提高了定位精度;採用蝸輪蝸桿調解反光鏡的角度，可以使反光鏡的調節更精確，同時可以防止在外界振動或撞擊下反光鏡發生偏轉。
  16. Furthermore, the aperture element model without thickness is present on the basis of the character of rcc dams and the symmetrical and anisotropic equivalental sequential model. the complicated seepage control measures of jiangkou dam foundation. the result indicates that improving drainage structure may successfully deal with the problem of the simulation qf dense drainage holes and the problem of seepage model of rcc dams are fundamentally solved

    通過對江口壩基復雜滲控措施以及某碾壓混凝土壩層面的精確模擬，事實證明利用改進排水子結構技術可以成功解決壩基密集型排水孔的模擬問題，縫面平面單元的提出基本上已較完美地解決了碾壓混凝土壩的滲流建模問題。
  17. In this paper, the unified structure method on some symmetrical type multinomial partition base is given ; the unified partition program of multinomial is established by using the method of undetermined coefficients

    摘要給出了不同對稱類型多項式分拆基的統一構造方法，以逐步待定系數法為基礎，編制了多項式統一分拆程序。
  18. At the same time, the mechanics mode of newly - built structure is not the same as that single cavern is excavated in the half - unbounded space. its original stress field is disturbed by former time and time again, and once more by excavating of later. so the mechanics mode of the later is not symmetrical generally and infinite variability is put up

    同時新建結構物的受力模式也不同於半無限體或無限體中修建單一洞室的一般狀況，其初始應力場往往是經過多次擾動的，其施工將再次進行擾動，使其受力往往是非對稱的，表現出極大的變異性。
  19. Rating structure for ac high - voltage circuit breakers rated on an symmetrical current basis - amendment 1 : capacitance current switching

    基於平衡電流的交流高壓斷路器的額定結構.修改件1 :電容電流開關
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