結構表達式 的英文怎麼說
中文拼音 [jiēgòubiǎodáshì]
結構表達式
英文
structure expression- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 達 : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
- 表達 : deliver; express; show; voice; convey; communicate
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The existing theoretical analyses have n ' t refelcted this true mechanism of the force transfering in fixed segment of anchor bar. for the sake of studying the working course from elastic to elastoplasticity slide better, this paper put forward shear stress - displacement curve, and solve the internal force distribution along anchor bar by the basic equntion. at the same time, this paper analysize the difference of columniform fixed segment and the segmeng with anchor slab at the foot of anchor bar
為了更好的研究錨桿在不同荷載作用下,錨桿的工作狀態從彈性到彈塑性發展的整個過程,本文進行了錨桿受力的模型實驗研究,根據實驗結果提出了剪應力與位移的彈塑性本構關系表達式,並根據錨桿受力的基本方程,求解得出了錨桿在不同工作狀態下從彈性到彈塑性滑移的全過程中錨桿的內力分佈。Third, on the base of expatiating on experimental research method and theoretical research method of joints, the paper points out two kinds of valid methods, which are used to analyze the tube joints stress of dendriform structure by making use of semi - analytical method and inelastic large deflection finite element analysis method, confirms to apply the evaporative pattern casting process as the facture method of dendriform structure cast joints, and detailed dissertates the casting theory, casting process, generation cause and prevention measure of casting flaws, heat treatment method and inspection standard about cast steel joints
然後在闡述樹狀結構節點實驗研究方法和理論研究方法的基礎上,提出了利用半解析法和彈塑性大撓度有限元法兩種有效分析樹狀結構管節點應力的方法,並給出兩種方法的詳細表達式及它們各自的優缺點。通過對鑄鋼件常見製作方法的介紹,確定了採用消失模法作為樹狀結構鑄鋼節點的製作方法,並詳細論述了用消失模法製作鑄鋼節點的鑄造原理、鑄造工藝、鑄造缺陷產生的原因及防治措施、鑄鋼節點的熱處理方法以及檢驗標準。We first present a number of desiderata for an xml - based query language, and based on this criterion, we introduce the syntax of a simple core ian - guage for semistructured data and then describe four extensions that have resulted in working prototypes. second, we present the algorithm for computing the result of a regular expression on data graph with cycles, the first - order interpretation of querying language for semistructured data, and explore structural recursion and bisimulation in semistructured data and propose an efficient and systematic way to computing a bisimulation between the two graphs. we also proposed and implemented a web querying system with database features
基於這些準則,對一個簡單的半結構數據查詢核心語言的語法提出了兩方面擴充;給出了計算數據圖中正規表達式的演算法;對半結構數據查詢語言的一階邏輯描述、結構遞歸和數據圖的雙態模擬( bisimulation )等問題進行了研究,提出了一種判定數據圖的bisimulation演算法;在xml數據查詢語言研究的基礎上,設計並實現了一種具有數據庫查詢特性的web查詢系統原型。By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent
最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal
我的思路是:改造現有圖形結構,先建立能反映信噪比大小且含待定參數k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,再結合前邊的混合濾波器構成一個非線性控制系統,寫出對應的網路函數,利用相平面法和李雅普諾大穩定性的判據,得到一個穩定的極限環,從而確定出參數卜的范圍,進而再對原來的小波軟閾值進行修正,用修正後的值作為小波閾值。Finally, the atomic coherent population trapping is studied in a multilevel laser - induced continuum structure system including cascade two - photon processes by means of quasi - classical theory. the condition leading to the atomic coherent population trapping and the dark state are given explicitly. the effects of atomic initial state and the laser intensity on the populations distributed in the atomic bound states are discussed
我們還運用準經典理論研究了含級聯雙光子過程的多束縛態激光場誘導原子連續態結構系統中原子布居數的相干俘獲,給出了產生相干俘獲的條件及暗態的表達式,討論了原子初態和激光強度對原於布居數的影響,揭示了原子相干對穩定rydberg原子的重要作用。According to the program structure of ansi c, some syntax - tree - nodes are designed in front - end, including function, block, data structure, type, expression, identifier and so on. syntax tree is divided into three levels, namely program level, function level and block level, which are useful for analysis of syntax and semantic in compiler as well as transferring syntax tree into rtl. retargetable compiler mainly includes intermediate representation, machine description and interface technique between compiler and machine description
編譯前端的實現技術包括詞法分析、語法語義分析和中間代碼生成技術等,針對ansic的程序結構,分別設計了函數、塊、數據結構、類型、表達式、標識符等語法樹結點,並將語法樹分成編譯層次、函數聲明和塊三個不同層次,使語法樹具有清晰的層次結構,有利於編譯程序的語法和語義分析,以及從語法樹到rtl中間表示的轉換。In the aspect of output characteristics, after applying the boundary conditions and the continue condition of two segments, the correlative dependence of average photon density in each segment has been obtained. combining this dependence with the threshold conditions, the theory foundation is settled
在兩段式dfb激光器的輸出特性研究方面,利用邊界條件以及兩段之間的連續條件,導出了兩段平均光子數密度之間的依賴關系;這和兩段式dfb激光器的閾值條件表達式相結合,構造了本文研究激光器輸出特性的理論框架。Creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design
基於現有的試驗資料,高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發,利用積分中值定理和疊加原理,推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式,對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別,並建議應從概念設計的角度出發,採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響Abstract : creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design
文摘:基於現有的試驗資料,高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發,利用積分中值定理和疊加原理,推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式,對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別,並建議應從概念設計的角度出發,採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響Since the temperature difference was most important parameters in thermal effects calculation, a combined temperature difference method considered year temperature difference and day temperature difference was put forward. with the combined temperature difference obtained from field tests, a lot of calculations have been done by finite element method ( fem ), considering of different structural measures. the law of displacement and stress in cshbb was presented and a relative displacement formula was deduced
在介紹小砌塊建築的溫度作用分析方法的基礎上對溫度作用計算中最重要的參數? ?溫差取值進行了探討,提出了同時考慮年溫差和日溫差影響的組合溫差取值方法;根據各種不同的組合溫差取值方法,結合現場實測數據給出了試點建築的組合溫差取值,並考慮了不同構造措施的影響,對試點建築進行了有限元的溫度效應計算;給出了小砌塊建築的位移變化規律和應力變化規律以及層間相對位移的計算表達式。According to the theory of light transmission, we derived the expression of rotation angle as a function of the dielectric constant conductivity of er fluid, and ( the angle between the electric vector of linearly polarized light and electric field ) from maxwell ' s equations and fresnel reflection, on the condition of several appropriate approximations and assumptions
進而導出了非均相結構電流變液在外電場與光場交互作用下旋光角與(入射線偏振光振動方向與外加電場方向間夾角)及參數(為外加電場e 、分散顆粒介電常數、體積分數、絕緣油介電常數、位置矢量( ? )等量的函數)的西北工業大學應用物理系碩士學位論文摘要理論表達式。Microsoft sql server 2005 analysis services ssas supplies lots of intrinsic functions for use with the multidimensional expressions and data mining extensions languages, designed to accomplish everything from standard statistical calculations to traversing members in a hierarchy
Microsoft sql server 2005 analysis services ( ssas )提供了很多用於多維表達式( mdx )和數據挖掘擴展插件( dmx )語言的內部函數,用於完成從標準統計計算到遍歷層次結構中成員的所有任務。According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。For the first time, the coaxial ridge - disk - loaded cylindrical waveguide as sws is presented. its dispersion equation and the expression of coupling impedance are given by application of the field matching method. a series of numerical results show that the influence of structure dimensions on the dispersion characteristics and interaction impendance
三、創造性地提出脊加載同軸膜片圓波導慢波結構,並對其採用嚴格的場匹配法,詳細推導了色散方程和耦合阻抗表達式,並得到一系列有關系統結構參量與色散和耦合阻抗之關系的數值模擬結果。Then discuss the stress concentration problem of the honeycomb structure to use the model of “ laminated composite structure with circular hole. then discuss the thermal control technique of the mfs, and built the model of heat transfer
考慮到在蜂窩結構板上開設埋孔會引起應力集中的現象,所以還進行了對復合材料板應力集中問題的理論分析,得出了「帶圓孔的復合材料層板」應力集中系數的表達式。In this thesis, we study the density of electronic states of single - wall carbon nanotubes. the effects of tube - diameters and chiralities on the electronic structures are discussed by means of the analytical expression of band structures of single - wall carbon nanotubes under the consideration of curvature effects
本文中,我們通過考慮捲曲效應后的單壁碳納米管解析的能級結構表達式,研究了單壁碳納米管的電子態密度,以及管徑和螺旋度對其電子結構的影響。A method based on gene expression programming ( gep ) for identifying the nonlinear system model is presented, which makes up the insufficiency that traditional identification methods need much a priori information, and has a tidier and more efficient system model expression mode than genetic programming ( gp )
摘要給出了利用基因表達編程( gep )進行非線性系統辨識的方法,彌補了傳統辨識方法需要過多預知信息的不足,有著比遺傳編程( gp )更簡潔有效的系統模型結構表達方式。In this paper, we gives a kind of expressing user " browser interest mode which is based on tree - type structure
本文在分析了現有的表達用戶瀏覽興趣方式的基礎上,提出了一種基於樹形結構表達用戶瀏覽興趣的方式。Solution and significance of structural representative of fullerene cages
碳籠結構表達式系數的求解及其意義分享友人