邊界尺寸 的英文怎麼說

中文拼音 [biānjièchǐcùn]
邊界尺寸 英文
boundary dime io
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • : 尺名詞[音樂] (中國民族音樂音階上的一級 樂譜上用做記音符號 參看「工尺」) a note of the scale in ...
  • : Ⅰ量詞(長度單位) cun a unit of length (=1/3 decimetre)Ⅱ形容詞(極短或極小) very little; very ...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. Then, the associated search optimal algorithm based on virtual avl tree is promoted to rapidly reconstruct the half - edge topological structure. 3. to rebuild the tooth surface from the littery measure data, the membrane deformation algorithm based on loop subdivision is given to fit density triangle meshes to subdivision surface

    前者巧妙、高效地完成了去除冗餘點的工作,將stl數據的存儲壓縮為原來的18 % 25 % ;後者完成了數據的半拓撲重建,使得后續對于搜索、 1環鄰域搜索顯示出較好的優勢,實現了三角網格模型的快速拓撲重建。
  2. 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、板殼結構的形狀和條件的前提下,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 .對于和應力約束的問題,使用滿應力方法求解。
  3. Iterative physical optics is extended to the analysis of electromagnetic scattering by dielectric coated targets. the theoretical model of the extended ipo is formulated by fresnel reflection coefficient. it is applied to analyze the scattering by geometrically simple, electrically large, dielectric coated cavities

    將迭代物理光學( ipo )法推廣到非完純導體目標的電磁散射特性分析中,建立了具有阻抗的ipo理論模型,並應用這種推廣的ipo方法分析幾何結構簡單的電大介質塗敷腔體的電磁散射特性。
  4. The laser power is detected through the pd ’ s movement across the faculous region. when the value of the peak value of laser power is got, the power of the facular boundary points can be found according to definition of the facular boundary such as “ 1 / e ~ 2 ” theory. then the equation of the facular boundary can be made fitting by using the least square method, and calculate the beam divergence at last

    採用兩個光電探測器分別檢測光束不同高度上的兩個光斑,在確定光斑中心最大光強值后,根據光斑截面的1 / e2定義,得到光斑截面點的光強值,並以其為標準判定光斑截面的點,對探測到的點通過最小二乘法進行擬合,得到橢圓光斑截面的方程,根據空間幾何關系求出發散角。
  5. Long parts, ( such as axis, pole and so on ) varying along the profiled bar direction by the length or by a certain rule can be shortened to represent, and the broken part shall be represented by waved line or zipped lines, as shown in fig. 13

    較長的機件(軸、桿、型材等)沿長度方向的形狀相同或按一定規律變化時,可斷開后縮短繪制,斷開后的結構應按實際長度標注;斷裂可用波浪線、雙折線繪制,如圖13所示。
  6. Automatic computation and modification of the dimension, the number of total heat tubes and rows, the body line of layout areas and other results involved. 4. the programming of various functional models and their communication, coded with visual lisp and vba and based on the opening structure of autocad and its entity database

    標示最大布管,自動標注,自動修改並輸出布管參數及結果,包括:自動計算並輸出每一管程的管根數、起始排數、終止排數,自動計算並輸出每排熱管根數與拉桿根數。
  7. Rolling bearings - needle roller bearing track rollers - boundary dimensions and tolerances

    滾動軸承.滾針軸承滾道滾針.邊界尺寸和公差
  8. This paper describes an aag ( attributed adjacency garaph ) based method of machining features recognition for shaft kind parts and 2. 5d parts on the acis platform, which can effectively recognize the main and assistant feature of these kinds of parts. using the class library provided by acis, all the geometrical information for defining a feature can be acquired. finally a xml neutral file describing the recognition result is provided for the later capp process and the generation of nc code

    本文首先分析三維實體模型的特徵識別方法及其特點,繼而採用基於屬性鄰接圖的特徵識別方法,研究了軸類零件及2 . 5維零件的加工特徵的分類及其識別,並在acis平臺上開發了相應的軟體原型系統,有效地識別該類零件的主特徵和常見的輔助特徵,且利用acis提供的類庫介面提取模型底層的幾何參數,得到定義各項特徵所需的幾何信息,最後以xml中性文件的形式輸出識別結果,為后續進行的工藝規劃、加工代碼生成提供初始數據,從而為cad / capp / cam的集成提供有效的方法。
  9. 13 does the supplier perform the first piece approval process at the beginning of each shift, line change over, and after a major disruption to the production line ( e. g. boundary samples for appearance items, gage for dimensional items ), retain this first piece to the end of the production run / shift to compare with the last piece

    供應商是否在每班生產前、換線后、和生產線被中斷后執行首件批準程序(例如外觀件的樣件、檢測的檢具) ,保留首件用於與班次/生產線結束的末件對比?
  10. This technique combines the edge - based finite - element method with physical optics ( po ) and physical theory of diffraction ( ptd ). the hybrid technique is applied to compute the scattering fields from the electrically large bodies with cracks and cavities on their surfaces. it is also used to analyze the scattering characteristics of microstrip antennas residing in a cavity mounted on metal objects with finite sizes

    本文採用edge - basedfem為基本方法,結合物理光學法( po ) 、物理繞射理論( ptd ) 、積分方程( bi ) 、區域分解技術( ddm )和完全匹配層( pml )吸收條件等求解方法構成的混合方法,對電磁散射和輻射問題進行了研究,主要包括以下內容:提出了一種edge - basedfem與物理光學方法和物理繞射理論相結合的混合方法? fem po - ptd方法,並將該混合方法應用於帶有腔體或槽縫的電大導體目標的電磁散射特性分析和位於有限導體目標上的背腔式微帶貼片天線的電磁散射特性分析。
  11. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收條件,我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁(光子)晶體貼片天線的性能進行了研究,結果證明加了這種新的電磁晶體覆層結構以後,天線的波束收攏很多,並且向前輻射的增益大大提高,與普通天線相比,天線的e面和h面方向圖上向前輻射的增益均提高了約6db ,另外,該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ,與該物理天線的方向性系數的理論極限值( 11 . 9db )相差0 . 4db ,該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ,比qiu等人設計的電磁晶體天線的相應差值減少了約1
  12. This system has the friendly windows for dialogue between person and machine, can draw and label the plan of each roll groove with the way of parameterization drawing, under the condition that giving the size of the rough blank the specifications of the finished product and the technical parameters of the roll, selecting the minimum consumption as the target function, adopting the optimization, adopting the boundary condition of the grip the strength of roll and the check of the power - generating. moreover, the plan can be outputted in the software of autocad

    本系統具有友好的人機對話面,可以在給定坯料、成品和軋機技術參數的條件下,以能耗最小為目標函數,採用最優化方法,在滿足咬入條件、軋機強度校核、電機校核等條件下優化設計出最優的孔型系統,採用參數化繪圖方法將優化設計結果繪製成孔型圖並進行標注,最終可以向autocad繪圖軟體輸出。
  13. By the theoretical analysis and experimental test, the image processing procedure of the system has been designed. firstly, the system needs carry out pre - process : the median filtering and average filtering of acquired image, next carrying out the threshold of filtered image, then performing morphology, such as open, close and so on. next, the boundary of binary image is extracted

    通過理論分析與實驗驗證,得到了本系統圖像處理過程:首先對採集的圖像進行預處理,包括均值中值濾波,通過閾值分割進行二值化,然後對二值圖像進行開啟、閉合以及進行提取操作來獲得清晰的圖像緣,最後通過緣檢測和擬合測量得到沖擊試樣各值,圖像坐標變換和模式匹配可以完成檢測區域定位。
  14. Boundary condition method just amend a little for intrinsic fem program, and can obtain low frequency sound transfer function of receiver based on existed fem mesh. the big sound source is divided into some elements by lumped sound source method, in which, the biggest size of element is smaller than the smallest wavelength of sound wave

    條件法僅對原有的有限元程序作較小修改,並在已有的有限摘要元網格劃分上,能夠求解出接收點處的低頻聲傳遞函數;集中聲源法將大度聲源劃分為若干板塊,其最大幾何小於最小聲波波長。
  15. On the illustration of mining in deeply inclined coal seam under buildings in muchengjian colliery in beijing, the confirmation method of coal pillar dimension and the united layout of pseudo - dip strip pillar and boundary pillar were put forward to provide theory foundation for the control of surface movement and subsidence in the mining of deeply inclined coal seam

    摘要以北京木城澗煤礦大臺井建築物下壓煤開采為例,提出了急傾斜煤層開采條件下條帶煤柱的確定方法和傾斜條帶煤柱與煤柱相結合的條帶布置方案,為急傾斜煤層開采地表沉陷控制提供了理論依據。
  16. ( 2 ) study on the mechanics mechanism of the calamity caused by the cave of the highway : based on the investigation in detail along the line of the highway in shan - gan loess plateau, the distribution law, the classification and characteristic of hazard of highway cave are presented ; the calamity mechanism of highway cave opposite side slope and road bed is discussed, especially the mechanism of collapsing of the hidden cave in road bed. propose " the effect of hidden corrosion ", etc. 10 kinds send to mechanism of collapsing. based on the principle of limit balance, the formula of the critical treating thickness of hidden cave is put forward as follows : according to different stratum, different size and depth, the calculation of the critical thickness of the hidden cave of roadbed has been carried on

    ( 2 )公路洞穴的致災力學機理研究:在對陜甘黃土高原區公路沿線黃土洞穴詳細調查基礎上,研究了公路洞穴分佈規律、危害分類及致災特點;公路洞穴對坡及路基的致災機理,重點是路基暗穴致塌機理,並提出了「潛蝕效應」等十種致塌機制;利用極限平衡原理導出路基暗穴臨處理厚度計算公式如下:針對不同地區不同地層,對不同和埋深的暗穴,進行了路基暗穴臨處理厚度的計算。
  17. The whole dynamic finite - element analysis simplified based on 2d plane is performed to adapt engineering requires. the effect of both kinematic interaction and inertial interaction on pile - soil - structure systems within layered soil field is relatively comprehensively investigated. at the same time, the boundary effect of model, the horizontal dynamic features of piles and the nonlinear characteristic of slide and contact on the interfaces of pile - soil are considered too on the ground of no - element meshing technique applied for dimensional effect of piles in stratum - soils

    建立了以適應工程需要的基於二維平面動力分析的簡化整體有限元模型;提出了能有效考慮樁效應的樁-土無單元劃分技術,在考慮了模型的效應、樁基的水平動力特性和樁土面的滑移、接觸非線性行為的基礎上,從時域內較為全面的研究了層狀土域中樁基上下部結構的慣性相互作用和運動相互作用兩種基本效應。
  18. Tapered roller bearings. double row bearings. boundary dimensions

    錐形滾柱軸承.雙列軸承.邊界尺寸
  19. Rolling bearings - radial bearings - boundary dimensions, general plan

    滾動軸承.徑向軸承.邊界尺寸一般計劃
  20. Rolling bearings - needle roller bearings, dimension series 48, 49 and 69 - boundary dimensions and tolerances

    滾動軸承. 48 49和69系列的滾針軸承.邊界尺寸和公差
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