multiple an structure 中文意思是什麼
multiple an structure
解釋
多跨構造物-
Then, we establish the finite element analysis models of the antenna in different structure layout, and obtain the corresponding frequencies and model shapes. finally, according to the importance of each object, we set up the model of multiple objects that aims to maximize the first natural frequency and minimize the mass. combining orthogonal experiment and variant weighting coefficient method, we formed an effective multiple objects optimized algorithm basing on the neural network and genetic algorithm
本文首先詳細的敘述了天線結構的各組成單元，闡明了天線反射拋物面的形成原理；然後在ansys軟體環境中建立了不同結構布局下天線的有限元分析模型，分析計算了各種情況下天線的的固有頻率與振型；最後依據天線各指標的重要性，建立了以一階固有頻率最大、質量最小為目標的天線結構多目標優化設計模型，並基於神經網路和遺傳演算法，結合正交實驗和變加權系數技術，形成了一種有效的多目標優化演算法，在matlab平臺下實現了天線的結構多目標優化設計計算程序，求得了天線的最佳結構參數。 -
In this thesis, an algorithm based on multiple features for recognition of escherichia coli promoter was proposed. firstly, word frequency method was utilized to extract the content ’ s information of a given sequence, and position weight matrix and hidden markov model were applied to analyze the information on structure, and then this information was input into a classifier
本文提出了一種基於多特徵的大腸桿菌啟動子判別演算法，即通過詞頻分析獲得序列的組成特徵，利用位置權重矩陣（ pwm ）和隱馬爾科夫模型（ hmm ）獲得序列的結構特徵，然後輸入到一個分類器中進行分類。 -
It ' s an ideal structural system and has multi - earthquake resistance ability because of a great deal of slabs removed in floors above the transfer - story amended the lateral stiffness of the stories near the transfer - story. based on the available references, the five - spring line element, the three - spring line element and the multiple vertical - line - element model are introduced to model special column, beam and shear - wall, the relevant stiffness matrixes are deduced and the restoring - force models are gaven to deep into the elasto - plastic seismic characteristics of the structure. acording to the results of shaking table test and elastic finite element analysis, a new making model melhod is presented in which uses the linear and the nonlinear element and the assumption that the floor is infinitely rigid in different areas
為進一步研究這種復雜高層建築結構的彈塑性性能，本文在國內外現有研究的基礎上，提出利用五彈簧桿元、三彈簧桿元及多豎線單元模型分別模擬空間柱、梁和剪力墻，推導了相應的剛度矩陣並給出了恢復力模型；結合試驗研究和精細有限元分析的結論，提出線性和非線性單元相結合，剛性樓板假定和彈性樓板相結合的建模方法，較好地解決了空間結構彈塑性分析中佔用計算機資源較多的問題；接力大型有限元分析程序? ? ansys ，在上述建模思路的指導下建立了結構的空間非線性分析模型，進行了空間三維彈塑性時程分析。 -
A novel multi _ mode hev s systematic model is then presented basing on the research of toyota " s prius hev, which focuses on its drive system " s structure and control strategy. the hybrid configuration proposed in the paper features a planetary gear train for an electric cvt mode in addition to lay - shaft gears for multiple speed ratios and realizes six operation modes in a simple structure
重點研究了豐田公司的prius混合動力電動汽車的驅動結構及其控制策略，在其基礎上提出一種新型多模式混合動力電動汽車的系統模型，採用行星輪系和四組齒輪副作為傳動機構，可進行連續傳動，以簡單的結構實現了六種工作模式。 -
Place is the permanent brand of architecture and place creation is always the research project of architects with the development of the age ， place ? ? the end results of human material culture and spirit culture ? ? undergoes storm and stress but the real meaning of place still has clear and precise line of thoughts human 、 building 、 scenes ? ? poetic independent existing space space creation ? ? expresses and shows the real meaning of place ， interlaces the changing objective and positive multiple affirmation and negation but the road of research is still continuing ： seeking the new idea unanimous with the age human 、 building 、 scenes answers the place ， multi - dimensional system answers place creation the twenty - first century is the age of variety ， after discovering the complex phenomena ， research the age nature of place ? ? obscurity ， attempt new idea of creation ： obscure edge through bluring the edge of building and city ， break the separating condition of building and city ， unify the urban structure actively ， propel the union of building and city through openning design ； through bluring the edge of building and environment ， break the condition that environment attaches to building ， make landscape design become natural ， and combine them into ecologic scene of building and multiple experence of scene ： through bluring the edge of building and universe ， break the rational outline of building ， create multi - dimensional sensational edge of shape ， make building become an earth scene ， just like the mirage of flourishing city ， and prompt to exploit underground space
人、建築、場景解讀了場所，多維的系統解讀了場所創作。二十一世紀是多元化的時代，在揭開紛繁交錯的現象面紗之後，探索場所的時代屬性? ?模糊性，嘗試新的創作理念：模糊邊緣。試圖通過模糊建築與城市的邊緣，打破建築與城市的分離狀態，動態整合城市肌理，以開放型的設計推動建築城市一體化；通過模糊建築與環境的邊緣，打破環境是建築之外附屬的狀態，使環境景觀設計自然而然化，並將二者融合形成綠色生態的建築場景與多層次的景觀體驗；通過模糊建築與天地的邊緣，打破建築理性的邊緣輪廓線，塑造多維感性邊緣的形體，使建築成為一種大地景觀，猶如繁華都市裡的海市蜃樓，並同時帶動了地下空間的探索。 -
The results show that the industry factor, the company size and the proportion of non - debt tax shields have a remarkable effect on the choice of capital structure, while the multiple of interest safeguard and the proportion of asset collateral value do not have an obvious effect on the asset - liability ratio
結果表明：行業因素、公司規模和非負債稅盾比例對資本結構的選擇有顯著的作用，而利息保障倍數和資產擔保價值比例對資產負債率沒有明顯的影響。 -
It applies an interval method to select element in the evolutionary structure optimization method ( eso ), and recovers or deletes element by the “ birth and dead ” function of element. another method viewed as second order smoothing technique for suppressing the checkerboard patterns has been proposed based on the filtering function ’ s principle. then the above methods are applied to solve a temperature - controlling problem in the steady heat conducting field and a multi - objective topology optimization problem considering multiple load cases and coupled effect
本文基於ansysparametricdesignlanguage （ apdl ） ，提出漸進結構法中應用區間法進行單元的篩選，通過單元「生死」的功能實現單元的恢復與刪除，根據濾波函數法原理提出修改的二階棋盤格處理方法，並就穩態熱傳導溫度控制問題，考慮熱、力耦合的多載荷工況的多目標拓撲優化設計問題進行求解。 -
This structure possesses common spectra gaps with transverse - electric surface waves and transverse - magnetic surface waves, a multiple of in phase frequency regimes to characterize magnetic resonances are also within those spectra gaps, which were detected both by measuring return loss of an antenna near the surface and by fdtd simulations
實驗和數值模擬顯示這類表面的橫電模式極化和橫磁模式極化的表面波具有多帶隙的豐富能帶結構，同時它還有多個磁性諧振頻率，實驗和理論顯示這些磁性諧振所對應的多個同位相反射區落在兩個表面波帶隙中。 -
This paper focuses on xml queries that are based on multiple dtds in certain domain and aims at solving following problems : 1 ) how to construct an xml query without knowing the detailed structure of xml documents to be searched
本文對相關領域遵循多dtd的xml文檔查詢方法開展研究，主要解決以下幾個方面的問題： 1 ）如何使用戶在構造xml查詢時無須了解待查xml文檔的結構 -
This paper taking tongling city as an example analyses its land utilization transition in quantity, structure and extent from 1996 to 2004, and concludes that, by means of principal components analysis and multiple regression analysis, the root causes for the land utilization transition in a short term include economic development, population growth, urbanization, and agricultural development
摘要本文以銅陵市為例，分析了其在1996 - 2004年間土地利用的數量、結構及程度變化，並通過主成分和多元回歸分析指出短期內影響銅陵市土地利用變化的驅動因子主要是經濟發展、人口增長以及城鎮化、農業發展等人文因素。 -
Thirdly, the object - oriented way of lre knowledge representation for causality, system structure, and models is presented, and an organization model of lre diagnosis knowledge for integration of deep and shallow knowledge based on the lre component structure and in the form of node knowledge base is given. and finally, the lre intelligent fault diagnosis theory and strategy, which utilize synthetically different kinds of diagnosis knowledge and multiple reasoning methods, such as rule - based, model - based, fuzzy - knowledge - based, and dynamic - knowledge - based reasoning methods, are discussed and developed. the results verified by the test - firing data and the simulated fault samples show that, the theory and methods proposed give a theoretical basis for the design and realization of practical lre fault diagnosis and health monitoring systems, and can be available for reference in the development of health monitori ng technique for reusable space transportation systems in the future
主要研究內容包括：系統闡述了發動機診斷知識的概念、類別和相互關系；研究發展了定性和定量、淺層和深層、模糊和動態等多種診斷知識的圖形和模型獲取方式；建立了因果、結構和模型等不同層次和類別的診斷知識的面向對象表示方法，以及以發動機的部件結構為基礎，以結點知識庫為組織形式，深淺知識相結合的診斷知識集成組織模型；研究發展了綜合多層次和多類別診斷知識，集成規則推理、模型推理、模糊推理和動態知識推理的發動機智能故障診斷理論和策略，並結合實際熱試車數據和故障模擬實例對所發展的理論、方法與策略進行了驗證。 -
An optimized cvi - pip process has been achieved, by which the c / sic composites with 2. 1 ig / cm3 high density and uniformity are fabricated in 200 hours. the microstructure and composition of pyrolytic carbon interphase and cvi - pip silicon carbide matrix in the c / sic composites are investigated with the help of polarization microscope, scanning electron microscope, and x - ray diffraction technique, etc. the structure characteristic of pyrolytic carbon interphase and cvi - pip silicon carbide matrix, and effects of cvi - pip process on it are summarized and discussed. by growth course and feature of pyrolytic carbon interphase and cvi - pip silicon carbide matrix analyzed, a whole - course densification mechanism of lamellar - growth - pattern is proposed to explain the densification phenomenon, which makes a systematic understanding on the feature of pyrolytic carbon interphase and cvi - pip silicon carbide matrix, and the multiple stitching interface binding
根據熱解碳中間相、 cvi - pip系sic基體相的組織構成與外貌特徵，通過對熱解碳中間相、 cvi - pip系sic基體相的生長過程和生長特徵進行分析，提出了基於層生長模式的緻密化過程理論，解釋了熱解碳中間相、 cvi - pip系sic基體相以及釘扎誘導結構多重界面的形成： （ 1 ）在1150下， cvi - sic亞基體相遵從「過飽和?凝聚?融合」機理沉積，以8f型? sic為主，同時還會有少量4h型? sic ，無游離si和游離c存在； （ 2 ） pip - sic亞基體相由非晶態sic以及彌散分佈的- sic微晶、 si - o - c和游離c組成； （ 3 ）熱解碳中間相與碳纖維增強相之間、 cvi - sic亞基體相之間形成滲透釘扎結構過渡界面， pip - sic亞基體相與摘要cvi一sic亞基體相之間形成誘導結構過渡界面。 -
J2ee, which is presented and established by sun microsystem company, is the specification of a computing platform for distributed components based on java technology. based on this platform, an application system with multiple tiered structure can be developed and deployed rapidly
J2ee是sun公司提出和制定的基於java技術的分散式組件計算平臺規范，基於這個平臺可以實現快速開發和部署多層結構的易於移植的應用系統。
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