two-dimensional area 中文意思是什麼

two-dimensional area 解釋
二維區域
  • two : n. （pl. twos）1. 兩人；兩個東西，一對。2. 二的記號。3. 兩點鐘。4. 兩歲。n. -ness
  • dimensional : adj. 1. 尺寸的。2. 空間的。3. 【數學】因次的；…次（元）的。
  • area : n. 1. 面積；平地；地面。2. 空地；〈英國〉地下室前的空地。3. 地區，地方；〈比喻〉區域；范圍。
  1. To solve the inaccuracy problem caused by the two existing methods ( average end - area method and prismoidal method ) used for the calculation of roadway earthwork volume, this paper puts forward a new concept of the 3 - dimensional algorithm that takes all the roadway geometric design procedures as a kind of geometrical operation between the ground model ( original terrain model ) and the roadway model ( designed model ) under certain constraints, and then presents a complete 3 - dimensional algorithm of roadway earthwork volume as well as its executable computer program. the algorithm benefits from the re - triangulation technique of constrained delaunay triangulation ( cdt ), which can yield a true volume value theoretically. through a number of practical tests covering varied intervals between adjacent cross sections, it is proven to possess a higher accuracy compared with that of traditional methods. all the work involved in this paper indicates that the 3 - dimensional calculation of roadway earthwork volume is feasible, more accurate and should have further application in practice

    針對目前廣泛使用的道路土方量計算方法平均斷面法和稜柱體法計算不準確的缺點，提出了三維土方量計算演算法的概念.該演算法以帶約束的狄羅尼三角化（ cdt ）為技術核心，認為所有道路幾何設計過程都是地面模型和道路（設計）模型進行幾何運算的結果.基於此，本文設計出相應的演算法步驟，同時完成了相應的軟體開發，使得該三維演算法能和傳統的方法進行對比.此外，結合工程實例，採用了不同的道路橫斷面間距對三維計算方法和傳統方法的誤差進行比較、分析.結果證明三維演算法具有更好的精度，該演算法可用於道路、場地平整等工程土方量計算
  2. Then based on kirchhoff approximation theory, the formula of the coherent and incoherent scattering intensity of plane wave from two dimensional dielectric normally distributed rough surface are derived, and the scattering intensity of a planar, rough surface of unit area

    然後從粗糙面散射kirchhoff標量近似理論出發，得到了平面波對高斯分佈的二維隨機粗糙面的相干散射和非相干散射強度表達式，並給出了單位面積粗糙面非相干散射的表達式。
  3. Compared with the reality, it shows that this model and its parameters are defined reasonablly. to analyse the arrangement of drainage system with different spacings and depths, with unsteady flow formula and benefit index, this paper gives a two - dimensional non - linear programing model for arrangement of drainage system in the barley field, which can be solved by the method of projected gradient. by this model, we make out the optimum solution of spacings and depth of pvc pipe in littoral area of changjiang river that is s = 21. 5 8m, h = l. lm

    論文通過對不同埋深、間距的塑料暗管排水布局的分析，結合非穩定流公式和效益指標，提出了麥田排水暗管布局的二維非線性規劃模型，並利用梯度投影法求解，得出長江下游濱海地區塑料排水暗管埋設的最優方案為埋深h = 1 . 1m ，間距s = 21 . 58m 。
  4. This particular method reduces our search area to a simple two dimensional array

    這個特殊方法把搜索區域簡化成了一個二維數組。
  5. This simple computer cutting machine is mainly used for block foam abnormity cutting, two or three dimensional polyurethane foam or similar materials, as adopt special frame movement and worktable rotate, has a good advantage of occupying area small ( only half the area of the same style cutting machine ), product efficiency high school workman can operate freely after training ), so product widely used in modern commercial varies field, such as heat preservation materials, furniture, mattress, packing and other industrial usage

    這種機器主要用於發泡后的塊片狀泡綿的異形切割、裁及切片，兩維或三維的各種形狀的聚氨脂軟泡或類似材料，由於採用獨特的機架移動及工作臺旋轉方式，具有佔地面積小（僅占同型號工作臺移動切割機的二分之一） ，生產效率高（是同型號工作臺移動型效率的數倍或十數倍） ，切割精確、操作簡便（具有初中以上文化的工人經培訓就可操作自如）等優點，產品在現代商業許多不同領域中得到廣泛應用（如：保溫材料、傢具和床褥的墊、各種汽車用品、包裝及其它工業用途。
  6. Based on the ground outcrops and drilling core samples, and two - dimensional seismic data in this paper, through a comprehensive evaluation and research of the reservoir characteristics, the authors clarifies that the dolomite of the upper sinian dengying formation and the grain limestone of the lower silurian shiniulan formation are main reservoir rocks in the research area, and the sedimentary facies, karstification, and the number of cracks are the main controlling factors of the reservoir quality

    以地表露頭、鉆井資料及二維地震資料為基礎，通過儲層特徵綜合評價研究，認為上震旦統燈影組白雲巖、下志留統石牛欄組顆粒灰巖為區內的主要儲集巖，沉積相、巖溶作用及裂縫發育程度為儲層發育的主控因素。
  7. Being based on actual multi - chips module packaging structure a three dimensional thermal analysis model is built, thermal analysis on multi - chips module is conducted using diamond substrate and thermal interfacial materials ; a two dimensional and three dimensional chip - adhesive ? substrate thermal stress model are built, and interfacial thermal stress distributions are computed based on different area ratios and thickness ratios of substrate to chip

    本文根據實際的多晶元組件的封裝結構，建立了三維溫度場分析模型，分析了金剛石作為導熱層和基板對多晶元組件散熱性能的改善;建立了二維和三維的晶元-粘結層-基板熱力學模型，分析了不同的基板/晶元厚度比和面積比對層間熱應力分佈的影響。
  8. On the basis of this velocity field and the optimization theory, the segmented displacement of the boundary of the studied area are deduced with two - dimensional finite element model of linear elasticity

    利用這個速度場，通過構建該區二維有限元模型，結合最優化原理，反演區域分段邊界位移。
  9. But humans can recognition its three - dimensional structure even though no these vision clues. so an important research area in computer vision is developing algorithms that can make computer easily recognize object from a single two - dimensional line drawing of an object as humans do

    在計算機視覺系統和智能計算機輔助系統中，為使計算機能「看」懂人所畫的圖，為了從圖像恢復三維景物的信息，需要研究計算機識別立體線圖的機理和方法。
  10. Based on the hydrodynamic theory, the riverbed deformation process of all reservoir area during long duration is investigated by using of computer numerical simulation. in the meantime, based on one dimensional sediment model, the simulation of the longitudinal scouring and sedimentation and lateral deformation in reservoir tidal flat and mainstream are researched. the quasi - two dimensional sediment numerical model forecasting longitudinal scouring and sedimentation and lateral deformation in reservoir and river are established

    應用水動力學理論，以計算機數值模擬為手段，主要考慮長歷時全庫段的河床變形過程，在一維泥沙數學模型基礎上，同時考慮水庫灘槽縱向沖淤和橫向變形的模擬，著重建立可以預測水庫及河道縱向沖淤及橫向變形的準二維泥沙數學模型。
  11. In the part sea area of the oujiang estuary which has complicated landform, the different ko are adopted in the control equations of flow and salinity process to work out the process of tide level, averaged salinity and the flow field using the invariant flow and the real process of tide level as the boundary conditions. the comparison and analysis among the computed results, the theoretic results and the computed results of two dimensional numeric model in a large area indicate that the model is applicable

    以地形復雜的甌江河口局部海區為例，分別採用給定恆定流以及實際潮流過程作為邊界條件，對水流鹽度過程採用不同的k _ 0形式進行了計算，給出了潮位過程、平均鹽度過程以及流場的逐時計算結果，將計算結果與相應的理論結果、實測資料以及大范圍二維數學模型的計算結果進行了驗證及細致分析，得到了較為滿意的結果。
  12. This paper research the principle of two dimensional collimator system in which the area - array ccd, cpld circuit and dsp chip are used. digital acquisition and processing hardware and software were designed. the test result was given

    本文研究了用cmos作為接收器件，用cpld電路和dsp晶元進行系統流程式控制制和數據處理的二維變形測角儀的系統原理，設計了數據採集、處理的硬體軟體，並進行了實驗。
  13. The polarimetric sar is a new type imaging radar to measure polarimetric characteristic of radiant signals and combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, which greatly improve its ability to discern surface features. polarimetric sar is thus playing a more and more important role in research on remote sensing and application area

    極化合成孔徑雷達（ polarimetricsar ）是用來測量輻射信號極化特徵的新型成像雷達，具有能夠測量場景中每個分辨單元的全極化散射矩陣和產生二維高解析度圖像的兩大優點，大大提高了它對地物的識別能力，因此在遙感技術研究與應用領域中起著越來越重要的作用。
  14. In this thesis, the tides and tidal currents in the seas adjacent to zhejiang province are simulated with a three - dimensional baroclinic primitive equation model - hamburg shelf ocean model ( hamsom ). two numerical techniques - nested grid and moving boundary method are used successfully and high precision results which compared with the observed ones are obtained. these results reveal the characteristics and the moving rules of the tides and tidal currents in this area

    本文採用三維陸架海模式（ hamsom ）對整個浙江近海的潮汐和潮流進行了三維數值模擬，成功地應用網格嵌套和動邊界技術獲得了和實測資料相吻合的較高精度的結果，揭示了浙江近海潮汐、潮流的主要特徵和運動規律。
  15. Antialiasing in two - dimensional texture mappings is also discussed including a modified summed - area table algorithm. three - dimensional texture mappings are summarized including several procedural texture functions and fourier synthesis techniques

    在三維紋理方面，重點分析了幾種常用的過程紋理函數與fourier紋理合成技術，並對傳統的木紋函數進行了改進。
  16. In the meantime, asm also has a high level of matching speed compared with the template - matching method. in order to improve the generality of this model, a new " two - dimensional sampling windows " method, in which the searching space is extended from the one - dimensional area to the two - dimensional area, is proposed in this paper

    為了提高asm方法的通用性，本文採用了一種新的「二維采樣窗」的改進方法，該方法將原有的一維搜索空間擴展到二維空間，提高了定位方法的抗干擾性。
  17. According to the orthogonal wavelet conditions, a two - dimensional adaptive stationary wavelet which matches the fabric texture is constructed by using the average energy ratio between the defect area and defect - free area as optimal objective function

    摘要根據小波正交條件，通過使用疵點圖像的疵點區與無疵點區能量均值比為優化目標函數，構造與織物紋理模式相匹配的二維自適應平穩小波。
  18. Finally, the two dimensional flow in the diffuser is calculated, the results show that the change of ma makes an effect to the performance of the diffuser. owing to the accretion of ma, the action of oblique shock waves and the boundary layer pricks up, the flow separates from the wall where the shock waves impinge on the boundary layer more quickly, the cluster of diamond shock waves becomes larger. moreover, by comparing the change of flow field under different structure parameter, it is found that the augment of length of constant area section alter the structure of fluid field little, a smaller area ratio and larger angle of compression section make the diffuser working better

    最後，針對擴壓器中的二維流場進行了數值模擬，結果表明馬赫數對擴壓器性能影響較大，隨著馬赫數的增大，擴壓器管道內激波-附面層干擾加劇，流動從附面層分離相應加劇，激波串數目增多;通過比較不同結構參數下的擴壓器內流場，發現等直段長度的變化幾乎沒有改變流場結構，只是對局部流場稍有影響，並且在其它參數不變的情況下，一定范圍內減小面積比a2 / a1和增大收縮角有利於擴壓器性能的提高。
  19. This paper firstly compares the provisions about torsion effect and anti - torsion design in several codes ( the old and new chinese code for seismic, and some other countries " codes ). then, according to the code for seismic design of buildings ( gb50011 - 2001 ) and the code for concrete structure design ( gb50010 - 2002 ), the paper designs two multi - storied irregular concrete spatial frames, which respectively situated at the area of fortification intensity 8 and 9. subsequently, using the program based on the column - beam element of fiber model, input several ground motion records, which are selected according to the demand of code, to carry the structures " three - dimensional nonlinear analysis in two perpendicular directions at the same time

    本文對比了我國新、舊建築抗震設計規范（ gb50011 - 2001 、 gbj11 89 ）以及國外設計規范（或指南）中關于結構扭轉效應與抗扭設計的相關規定；按照新建築抗震設計規范和混凝土結構設計規范（ gb50010 2002 ） ，設計了設防烈度分別為8度和9度的兩個多層鋼筋混凝土不規則空間框架結構，利用纖維模型樑柱單元的三維非線性動力分析程序，根據新抗震設計規范的要求，在設防地震作用和罕遇地震作用水準下選擇適當的地震波作為輸入，對結構進行了雙向地震作用下的三維非線性動力反應分析。
  20. This thesis mainly discusses spatial relation of simple area object in two - dimensional space, the methods of spatial data index in gis and the application of spatial data index

    本文著重討論了gis中二維簡單空間區域對象的空間關系， gis空間數據索引方式，以及空間數據索引的應用。
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