geometric dimension 中文意思是什麼
geometric dimension
解釋
幾何維數 幾何次元-
The drastic reduction in the geometric dimension leads to great simplification in mathematical analysis.
幾何維數的急劇減少導致數字分析的極大簡化。 -
2. the finite element model of the structure was formed through reasonable simplification. and modal shapes were studied by using the famous program of ansys. 3. long span suspension arch bridges " responses to uniform excitation of earthquake were discussed. one dimension excitation and travalling - wive effect were introduced in this bridges with geometric nolinear being considered
因此，研究懸索拱橋的地震響應，了解大跨度懸索拱橋在強烈地震動作用下的動力行為，對於此種橋型的實際應用具有很大的指導意義。 -
Topics covered include : randomized computation ; data structures ( hash tables, skip lists ) ; graph algorithms ( minimum spanning trees, shortest paths, minimum cuts ) ; geometric algorithms ( convex hulls, linear programming in fixed or arbitrary dimension ) ; approximate counting ; parallel algorithms ; online algorithms ; derandomization techniques ; and tools for probabilistic analysis of algorithms
主題包括?隨機計算、資料結構（雜湊表、省略串列） 、圖論演演算法（最小擴張樹，最短路徑，最少切割） 、幾何演演算法（凸殼、在固定或任意維度的線性規劃） 、近似計數、平行演演算法、線上演演算法、消去隨機技術，以及演演算法的機率分析工具。 -
Through the controls of geometric dimension of micro - nozzle and driving frequency to obtain the volume of droplets in the grade of pico to femto litre, which is applicable to make high density micro - array
通過微噴嘴幾何尺寸控制和驅動頻率控制獲得從飛升到皮升級樣點體積，可以用於製作高密度的微陣列。 -
On the basis of the theory of fractal geometry, the fractal dimension characters of ae signal at different tool wear states were analyzed, an algorithm was provided to decide the scale range which is necessary to calculate the dimension of non - fully - fractal form. the experiments showed that the fractal dimension of ae signal is slightly effected by the changes of cutting parameters ; the variance of the fractal dimensions, which reflects the geometric characters of ae signals, has the same tendency as that of the flank wear, the monitoring system, which takes the fractal dimension of the ae signal as the feature, can identify the different tool wear states more correctly under different cutting conditions
以分形幾何理論為基礎，對刀具不同磨損階段聲發射信號的分形特徵進行分析.提出了計算非完全分形體信號波形的關聯維數時尺度范圍的確定方法，分析了聲發射信號在刀具磨損過程中分形維數的變化特性.刀具磨損切削實驗數據表明，聲發射信號的分形維數受切削參數變化影響較小；分形維數反映了聲發射信號的幾何特徵，其大小能較好地反映刀具的不同磨損狀態.實驗結果表明，該方法能正確地實時在線監測刀具的不同磨損狀態 -
Soil particle - size distributions fractal dimension is correlative with other texture parameters. the dimension is clear line - relative with clay content and geometric mean diameter, but the line - relationship between the dimension and index of uniformity is low. the dp is sensitive to the variety of soil texture
在理論上也進一步指明了粒徑分佈維數的物理意義，即：粒徑分佈分形維數d _ p的范圍為0 3 ，其大小反映了不同質地土壤顆粒的填充能力。 -
For example, the geometric effect and vignetting are simulated with the synthetic method in which they are modeled with ray tracing and then simulated with pixel - based processing. the effects of detector noise on imaging are simulated with the three - dimension model. the theory of pixel transfer function is extended and developed, and microscanned images of four patterns are simulated with good results
本文具有如下幾個突出特點：用光線追跡法分析建模，而用基於象素處理的綜合方法，模擬了光學系統中的幾何效應和漸暈現象；利用三維噪聲模型，模擬了探測器噪聲對圖像質量的影響；對象素傳遞函數理論進行了擴展和延伸，給出四種工作模式的微掃描成像系統的象素傳遞函數的具體數學表達式，並利用這些表達式模擬了探測器的空間效應和微掃描成像的圖像效果。 -
Nowadays, 3d modeling and computer animation have got widely applications, such as entertainment industry, man - machine interaction, multimedia, communication etc. the third dimension head portrait has been applied to correlative areas, for examples, movie special effects, virtual conference call, internet increment business, mobile internet increment business and software operation interface etc. in the fields of geometric modeling and computer animation, the deformation technology is an important tool
今天，在娛樂產業、人機交互、多媒體、通訊等領域中三維建模和動畫獲得了越來越廣泛的應用。真實感的三維頭像可以應用於諸如電影特技、虛擬電話會議、網際網路增值業務和移動網際網路增值業務以及軟體操作界面等相關領域。在幾何造型和計算動畫領域中，變形技術已經成為一種越來越重要的工具。 -
In order to exhibit the application of the method of porous media macroscopical geometric classification and minimum energy dissipation, the combination system between one - dimension pipeline media and three - dimension block media is tried to simulate the destroying and developing process of soil piping erosion
為了進一步展示多孔介質宏觀幾何分類方法及最小能量耗散原理的應用，文中還嘗試採用具有一維性質的管道介質與具有三維性質的塊體介質組合體系進行了土體管涌破壞發展過程的模擬。 -
Therefore, it can be used as an efficient new model for geometric design in the fields of cad / cam. at last, the spatial definition of periodic spline and natural spline constructed by polynomial and hyperbolic functions is given ; the dimension law and zero properties are demonstrated ; and therefore the non - uniform algebraic - hyperbolic period and natural spline curves are obtained. the applications of the low order are given in details
三、給出代數雙曲周期樣條及自然樣條空間定義，證明其維數定理和零點定理，構造具有最小緊支撐的非均勻代數雙曲周期及自然樣條函數，進而定義非均勻代數雙曲周期及自然樣條曲線，最後具體給出低階的表示和應用 -
Abstract : in this paper, the stress field in a concave plank being upset is resolved by analytic mathematical method of plastic mechanics, the relation between the geometric parameter ( dimension ratio, concave shape ) and friction shearing stress is determined for upsetting a plank free of tension stress
文摘:本文用塑性力學初等解析法求解了凹形板坯鐓粗時的應力場，確定了無拉應力鐓粗時坯料幾何參數（尺寸比、凹形形狀）與坯料端面摩擦剪應力的關系。 -
At present the fractal based applications in image domain are approximately classified into two categories : according to the characteristic of self - similar of fractal, people imitate and compress the natural image using mapping transformation method. this is one category. the other is according to the features of fractal and fractal dimension, people set up image models, investigate the main geometric features of the images and process them effectively
目前分形在圖像中的應用大致可以概括為兩類：一類是利用分形的自相似特性，採用映射變換的方法對自然界景物進行模擬，對圖像進行壓縮編碼；另一類是根據分形及分數維的特徵參量來建立模型，通過對模型參數的研究，有效地進行圖像分析和處理。 -
The paper indicates that the study on mechanism of boiling heat transfer in microchannels does not first - orderly instruct engineering design and appliance, and they are constraints between geometric dimension, passage diameter, number and length efficiency of evaporators, pump power and so on
指出對于微通道沸騰換熱的傳熱機理等的研究對工程設計和應用來講還沒有形成合適的技術指導依據，蒸發器尺寸、通道直徑、數目、通道長度、換熱效率以及泵功率之間是相互制約的。 -
His students and cooperators construct geometric lattice by means of linear spaces, and discuss the geometric lattice that generated by various orbits or subspaces with the same dimension or rank under the action of classical groups over finite field. but the results on geometric lattice constructed by using matrices are very few. in the present paper, we construct geometric lattice with idempotent matrix
在國內，萬哲先與他的學生和合作者們利用線性空間的辦法，討論了在有限域上的典型群作用下，由各個軌道或相同維數和秩的子空間生成的幾何格。但是，利用矩陣構造幾何格結果很少。 -
2 ) research tolerance analysis modeling technique ; discuss one kind of vector loop based assembly tolerance analysis model, which takes fully account of dimension tolerance, geometric feature tolerance and kinematics effects
2 ）研究公差分析建模技術，討論一種基於矢量環的，包含產品零部件的尺寸公差、幾何特徵公差以及運動學影響的裝配公差分析模型。 -
Abstract : the effects of dimension, symmetry and tangling or nesting features on assemblability are discussed, and the recognition methods from cad model of these geometric features are given
文摘:闡述了零件的外形尺寸、對稱性以及嵌套和纏繞性等幾何特徵對零件可裝配性的影響，並探討了這些特徵的自動識別方法。 -
Kaluza and klein noticed that einstein ' s geometric theory of gravity might provide this connection if an additional spatial dimension existed, making spacetime five - dimensional
卡魯扎和克萊恩注意到，如果有一個額外的空間維度存在，則時空變成五個維度，那麼愛因斯坦關于重力的幾何理論便能提供這種關聯。 -
According to three dimension braided composites for braided technology - four - step and technology - two - step procedure, and with reference to theories of braided fabric geometry and force models, a geometric model is built. in this model, the cross - section of thread is described as a circle and thread path as a cubic b - spline. braided - fabric structures in three dimensions are displayed by using solid - modeling techniques
本文三維編織物根據四步法和二步法編織工藝，從紗線的力學模型出發，建立了以圓形近似描述紗線的截面形態，以三次b樣條曲線近似描述紗線的屈曲形態的織物空間幾何模型，利用計算機三維實體造型技術，分別建立各自的編織物實體模型，用來模擬織物內部各紗線的空間位置，完成織物結構模擬。 -
Accordingly, the origin of geometric distortion is first introduced in this paper, and through analysis, a geometric correction algorithm is presented. applying the transformation of three - dimension - projection, image series are finally converted into the same coordinate system
論文首先介紹了圖像幾何畸變的產生，並通過分析得到幾何畸變的校正演算法，通過三維投影變換把系列航空圖像變換為同一坐標系（地面坐標系）下的幾何畸變校正圖像。 -
It is difficult to demand the geological structure patterns physical model to whole satisfy the similar condition, because geometric dimension of geological structure is immense, its elapsed time is too long and its structure deformation is considerably complex ; therefore, the people are not satisfied with the results of geological structure physical modeling experiment yet
由於地質構造尺度的宏大，經歷的久遠和形變的復雜性，地質構造物理模型設計時幾乎不可能完全滿足相似原理的適用條件，因此，各種地質構造物理模擬實驗還不十分令人滿意。
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