方形面片 的英文怎麼說

中文拼音 [fāngxíngmiànpiān]
方形面片 英文
quad patch object
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 片構詞成分。
  • 方形 : square; tetragonum
  1. A lot of engineering applications are carried out using our proposed method in this paper, such as thermal deformation measurement of a car lamp, analysis of the super low frequency harmonic vibration of a piezoelectric ceramic, dynamic mechanical behavior analysis of the ballistite material and so on

    在前所提出的理論基礎之上,本文對該法在實際工程中的應用做出了大量的工作。本文利用時間序列法實現了汽車前燈配光鏡的熱變檢測、壓電陶瓷的超低頻振動分析以及火箭固體燃料的動態力學特性研究。
  2. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求,採用單機實現了混合式直流直線步進電動機的開環數字控制;利用v f變換和復合鍵控法實現了系統轉速等參數的數字設定;利用細分控制技術保證了電機運行的平穩性,並進行了波分析和理論研究;採用單機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題;同時對主功率電路、驅動電路和系統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋轉步進電動機上進行了全測試。
  3. For this reason bridging the communications gap between serial - only devices to tcp / ip network hosts is a very important research topic. the thesis starts from the three research methods about gateway equipment, talks about the each characteristics, finally brings forward the material method how to implement the tcp / ip stack on the 51 mcu. at the same time, it uses the format of the callback function implementing the application layer protocol facing industrial real - time communication ( modbus protocol )

    論文從目前國內主要的三種關于網關設備的研究法談起,討論了各個法的特點,提出了在常規的51單機硬體上實現簡化的tcp / ip協議棧設計法和具體實現,並利用回調函數的式實現了向工業實時通訊的應用層協議( modbus協議) 。
  4. It might be delicately written in curlicue letters on a flower covered card or poignantly stated in the modern manner

    這種愛意也會以花體字的式精心地寫在一張鮮花封的卡上,或按照現代人的式痛快淋漓地表達出來。
  5. A neat blouse of electric blue, selftinted by dolly dyes because it was expected in the lady s pictorial that electric blue would be worn, with a smart vee opening down to the division and kerchief pocket in which she always kept a piece of cottonwool scented with her favourite perfume because the handkerchief spoiled the sit and a navy threequarter skirt cut to the stride showed off her slim graceful figure to perfection

    整潔的電光藍色寬胸罩衫是她親手染的因為據夫人畫報9 ,這是即將時新的顏色, v字的領口瀟瀟灑灑地開到胸部和手帕兜那兒手帕會使兜兒變,所以她一向總在裏放一脫脂棉,上灑了她心愛的香水,再加上一條剪裁適度的海軍藍短裙,把她那優美苗條的身材襯托得更加儀態萬
  6. Section two the evaluation of biocompatibility of the acellular dermal matrix by the method of cell culture. the new born rat ' s epdermic cells were cultured with the acellular dermal matrix together as experiment group, while the epdermic cell were cultured simply as control. 24 hours later, under the invert microscope, the epidermic cells anchored well and transparent flat cells were observed in both groups. 7 days later, both cultured cells were taked out and fixed in 95 % ethanol, stained with hematoxylin and were observed under light microscope. many cleaved cells were observed in both groups. during cell culture, no pathogenic microganism was observed. so we considered the acellular dermal matrix was aseptic and had good biocompatibility. section three subdermal implantation of the acellular dermal matrix. 24 rats were used in the experiments. a piece of acellular dermal matrix ( 1. 5 x 1. 5cm2 ) was implanted beneath the dorsum skin flaps of each rat, 1 week, 2 weeks, 3 weeks and 4 weeks after implantation, 6 pieces of acellular dermal matrix were harvested and the size of implanted acellular dermal matrix were measured, the sections were used for he staining and observed under light microscope. the result were as folio wing : 1 - 2 weeks after implantation, the acellular dermal matrix began to adhere to the tissue around and turned red gradually ; 3 - 4weeks after implantation, the acellular dermal matrix adhered closely to the tissue around and could be recognized easily, 1 - 3 weeks after implantation, the size of implanted acellular dermal matrix had no statistical difference ( p > 0. 05 ). 4 weeks after implantation implanted acellular dermal matrix contracted ( p < 0. 05 ). under light microscope, l - 2weeks after implantation, the fibroblast cells infiltrated the acellular dermal matrix and a small amount endothelial cells of vessel and lympho - histiocytic cells infiltrated the acellular dermal matrix. 3 - 4 weeks after implantation, infiltrating blood vessels were evident. so we think that the acellular dermal matrix had low immunological reactions and could induce the infiltration of fibroblast macrophage cell and the endothelial cells of vessel

    結果如下:皮下包埋卜周者,無細胞真皮基質漸與周圍組織粘附,顏色由蒼白轉紅;皮下包埋3周者,無細胞真皮基質與周圍組織緊密枯附,盾晰葉辯;術后卜周,包埋的基質積變化較包埋前無統計學差異o川0引,術后4周包埋的無細胞真皮基質積較包埋前縮小j刃刀5 ) 。光鏡下術后卜周,宿主的淋巳組織細胞、成纖維細胞浸入生長,釉附在膠原纖維上,少量血管內皮細胞浸入基質;術后34周,無細胞真皮基質內較多的血管成,故可認為無細胞真皮基質免疫原性低,能誘導宿主的成纖維細胞、巨噬細胞浸入生長,為一種新型的真皮替代物。第四部分無細胞真皮基質與自體斷層皮復合移棺的研究, sd大鼠10隻,在其背部卜造成全厚皮膚缺損的創
  7. Virtual reality technology can provide " participants " with a feeling of being personally on the scene. as a main actor in the virtual environment, userscan control any objects in the virtual environment arbitrarily and can get reaction in time. in the hyperspace of the information, he can get acknowledge with their own percipience and cognition, and, seek the solutin, and form the new conception. the association of the virtual reality technology and java technology intensify the interaction between the users and viryual reality technology. with the interface provided by java, the user can control any objecs and change the attributes ( such as position, angle, color and etc. ). this paper formulizes application of the virtual reality technology in the system of the building seilling which uses the real three dimensions models to replace of static picture ' s and word ' s description. in the process of the practice, the paper analyses the difference between javascript, java claa and java applet, and formulize the their applications in this system

    用戶在多維信息空間中,依靠自己的感知和認知能力全位地獲取知識,發揮主觀能動性,尋求解答,成新的概念。虛擬現實技術與java技術的結合增加了虛擬現實技術與用戶的交互功能,用戶可以通過java提供的界,操縱場景中的任何物體,並改變相應的屬性(如:位置,角度,顏色等等) 。本篇論文闡述了虛擬現實技術應用在售樓系統中,用真實的三維模型來代替原有的靜態圖及文字描述,在實踐過程中,分析了javascript , java類,及javaapplet實現功能中的利弊,分別闡述了它們在本系統中的應用,從理論上講,本課題所研究的虛擬現實技術不只適用於售樓系統的電子商務中,同樣可用於軍事和演習、醫學、教育、娛樂和工程設計等領域。
  8. In addition, java3d can only accomplish the regular geometry sculpting and ca n ' t accomplish the irregular geometry sculpting. to solve this flaw, a new way of sculpting the gyre - solid and changing - section - brace by approaching the solid with small slice is put forward. at the same time, rendering and third dimension disposing are settled in this paper

    另外,在系統開發過程中,針對java3d三維造型功能類中僅包含標準幾何體的問題,這里用四邊逼近曲法解決了回轉體和變截曲柄的三維建模,以及這種建模式下的渲染和真實感處理問題。
  9. Because 3d surface model contains huge number of triangles, a mesh simplification algorithm based on triangle edges shrinkages is presented in this paper to speed up the rendering in real time. in chapter four, the cutting of reconstructed 3d models is explored. in order to observe expediently the size and interspaces structure of inner tissues and avoid the discommodiousness of surface reconstruction, a simple cutting methods based on ray - casting algorithm is presented to get the inner images information

    第三章主要對marchingcubes ( mc )表重建演算法進行描述, mc演算法是基於規則體數據抽取等值的經典演算法,本文實現了這種等值構建表模型的演算法,並對其演算法的二義性進行了相應的處理;針對其重建速度較慢的問題,提出了體素間相關性處理的法來加快重建速度;並對其生成的表幾何模型所包含三角數量巨大的問題,提出一種快速有效的三角邊收縮演算法進行網格簡化,提高了表模型的繪制速度。
  10. The research result indicated : for the strip primary mirror discussed in this article, the hexagon light - weighted cell has the best structural rigidity quality, the square cell is a little worse, the triangle cell is the worst ; there is an optimum on primary mirror thickness ; on condition of 1g gravity load combining with 4 centigrade uniform temperature rising, the thinner and higher of the flexible support reed, the better of the primary mirror surface figure. the decision of the structural parameters of the flexible support reed must take static rigidity, dynamic rigidity, static strength and dynamic strength of primary mirror assembly into account

    研究結果表明:對于本文的長圓主鏡,採用正六邊輕量化孔,鏡體結構剛性品質最好,正次之,正三角最差;主鏡鏡體厚度存在最佳值;主鏡組件在1g重力、均勻溫升4共同作用的工況下,主鏡柔性支撐簧厚度越小、高度越高,主鏡綜合誤差( p - v值)越小,但同時主鏡組件的剛體位移增大、固有頻率下降,因此柔性支承結構參數的確定要綜合考慮主鏡的綜合誤差和主鏡組件靜態剛度、動態剛度、靜態強度和動態強度等因素。
  11. By pre - dividing parametric region of the surface and introducing the concept “ maximum absolute normal curvature ” at a point on the surface, the method adopts “ divide and conquer ” approach triangulating the parametric region of the surface piecewise

    該演算法通過對曲的參數域進行預剖分,以及引入曲上一點處的「最大絕對法曲率」的概念,採用「分而治之」的法分對參數曲的參數域進行三角網格剖分。
  12. Abstract : based on the concept of space migration length of photo - activation species, the analytical expression of the total number n of photo - activation species that can reach a segment on the substrate in the cubic deposition reaction space is derived. the simulation of the relationship of deposition rate and position of substrate is also completed. the simulation result agrees with the experiment data well

    文摘:基於光激活物質空間遷移長度的概念,推導出反應空間中到達基上單位積的光激活物質總數的解析表達式,對光化學汽相沉積中淀積速率和基位置的關系進行了模擬和分析.模擬結果同實驗結果符合良好
  13. As the deformation caused by centrifugal force is beyond the small deformation range, the large deformation effect was also taken into account in the equation. two models are constructed, one is of shrouded blade and the other is of bladed disc. the static natural frequencies and dynamic frequencies ( under 3000rpm ) are calculated by the finite element method and cyclic symmetry technique

    針對葉的結構特點,採用適應較強的三維八節點實體單元模擬葉,建立葉運動微分程;葉?輪盤系統在高速旋轉時,受到離心力作用,使葉發生大變,故在程中考慮了幾何大變的問題;為研究葉根輪緣之間的接觸狀態,建立了考慮葉根?輪緣接觸的有限元程,利用拉格朗日增廣演算法來求解該程,確定葉根輪緣之間的接觸狀態。
  14. To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed

    本文針對rp技術在醫學領域應用的需要,系統研究了基於醫學斷層輪廓數據的反求cad建模理論和法: ( 1 )在基礎演算法研究部分,提出了簡單多邊向及點在多邊內外判斷的新法、三角b zier曲離散的誤差控制定理和一種帶誤差約束的b樣條曲線的自動光順法; ( 2 )提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓數據曲重構法; ( 3 )提出了一種稱為「虛擬測量」的曲模型處理法。
  15. Secondly, the problem of the curve - surface mutual transforming and smooth - finishing have been analyzed farther. for the surface intersecting problem : owing to the introduction of the boundary points, as long as the intersecting points on a certain line, the full intersecting line can be gained. the intersecting line either intersects at the boundary of the triangle surface or forms the loop ; during the course of tracking, the selecting of the pace is restricted by the curvature, the number of the gained intersecting points are not in proportion as the chord - length ; the intersecting points not only record the coordinate and store the parameter

    對兩曲求交問題,當曲細化足夠小時,曲求交可近似看成曲與平相交問題,引進了邊界點的概念,因此只要知道交線上的任意點,就可以將跨越許多曲的整條交線計算出來,所求出的交線或者跨越曲的邊界,或者成交線環;從初始點出發跟蹤求解整條交線的過程中,步長的選擇採用了通過曲曲率來約束的法,用該法求出的交點在不同曲上的分佈數目不與弦長成正比;該求交法包含了各曲的邊界線與交線的交點的求解,可獲得邊界交點的坐標值及其參數值。
  16. Aiming at the winding of cylinder column strainer, this paper analyses the fibre wiring of column according to the patch winding theory, proposes end winding pattern and an effective wiring plan which validates by experiments

    摘要依據纏繞機理,針對圓柱過濾器的纏繞成型,時圓柱的纏繞布線進行了研究,提出了端部模式化非測地線纏繞和一套有效的布線案,並進行了試驗驗證。
  17. In chapter 4, method of moment ( mom ) solution of transient electromagnetic scattering by perfect conducting surfaces is discussed by dealing with time - domain integral equations ( tdie ' s ). rectangular patches model and triangular patches model are compared and their applications are exploited. in the mean time reference [ 42 ] and [ 61 ] are recruited

    其中第四章通過求解時域積分程給出了良導體表瞬態電磁散射的矩量法解,比較了矩模型和三角貼模型並拓展了它們的應用,補充了文獻[ 42 ]和[ 61 ]的內容;第五章工作重心是計算機顯示器屏蔽箱體的設計,對通風問題給予了充分考慮。
  18. Therefore, it is necessary to elucidate the influence of the preparation process, the properties of substrates, and post - treatment conditions on the photocatalytic activity and surface microstructures of the films

    因此很有必要研究tio _ 2薄膜的制備法,基性質和后處理制度對tio _ 2薄膜的表貌和光催化性能的影響。
  19. Abstract : the tolerance and generation of the stair - error in rp were studied. by using the normal vector information of the tringon facets in stl file, a calaculating method of stair - error was proposed and a slice - adapt algorithm which will save the time of mold manufacturing was presented

    文摘:研究了快速成型過程中階梯誤差的產生與度量,並利用stl文件中的三角的法矢量信息給出了階梯誤差的計算法,提出了可變分層厚度的演算法,採用自適應分層來減少成型時間的
  20. Then it should be worked out image simulation based on coons fractal patches and the characteristic blocks - based fractal image compression. in the later, the regional shape of partitioned image is encoded and then matched with other similar part of the image, which is the same as the original region in size and shape

    利用特徵塊對圖象進行分割,對分割后的圖象,一用coons型分拼接進行模擬,另一,對區域進行狀編碼和分相似性匹配,以對圖象進行壓縮編碼。
分享友人