凸凹形 的英文怎麼說

中文拼音 [āoxíng]
凸凹形 英文
convex concave
  • : Ⅰ動詞(高出) bulge; protrude Ⅱ形容詞(高於周圍) protruding; raised
  • : 凹名詞(凹陷的地方, 用於地名) low-lying area; depression (used in place names)
  1. Heat convected, a mode of motion developed by such combustion, was constantly and increasingly conveyed from the source of calorification to the liquid contained in the vessel, being radiated through the uneven unpolished dark surface of the metal iron, in part reflected, in part absorbed, in part transmitted, gradually raising the temperature of the water from normal to boiling point, a rise in temperature expressible as the result of an expenditure of 72 thermal units needed to raise i pound of water from 50 to 212 fahrenheit

    燃燒所引起的運動式之一-熱對流傳熱,不斷地加速度地從熱源體傳導給容器中的液體,由那不平未經打磨的黑色鑄鐵面把熱向周圍發散出去一部分反射回來,一部分被吸收,另一部分被傳導,使水的溫度從常溫逐漸升到沸點。這種溫度的上升可作為消費結果標志如下:將一磅水從華氏五十度加熱到二百十二度,需耗七十二熱量單位。
  2. Orientation and convexity - concavity identification for polygons using extremity vertices sequence

    利用極點順序的多邊頂點性判別演算法
  3. Deep embrasures as well as the sculptural effect of the building mass create a vivid picture of light and shadows but without distraction from the overall form

    建築體有致,具有雕塑性造型,經由外立面的光影效果,成生動活潑的畫面,並不與整體效果沖突。
  4. The disquisition includes choice of algorithm, accomplish of algorithm, collection of learning sample, parameter of net, shortcoming of bp algorithm, extraction and reduction form line etc. referring to shortcoming of traditional bp algorithm, a modified learning factor with adaptation is introduced. because of every different font has robust, the way based chain coded and knaggy feature is used. a bizarre sample feature database is constructed for speeding up modified bp learning and classification

    本文對人工神經網路理論進行了研究,探討了網路式及演算法的選擇、演算法的實現、學習樣本的收集、網路參數選擇、 bp演算法缺陷、表格線提取、還原、生成及字元識別、還原生成等問題,並針對bp演算法的缺陷提出了和實現了改進型bp演算法,使網路學習效率提高,對不同人的不同字型字體有較強的魯棒性,採用了基於鏈碼特徵和分佈特徵的方法來抽取字元特徵。
  5. The wet plating method permits to improve the adhesion of plating layers by treating the surface of polymers with an acid to generate the concavo - convex and forming the polar functional groups ( see, metal surface compendium, plastic plating techniques, page 13 )

    濕鍍方法可以改進鍍層的粘附能力,其方法是用酸處理聚合物表面,以產生成極性基團。
  6. As the flow becomes concentrated in low places because of irregularities in the surface, rills are formed.

    由於地面不平,當水流逐漸集中於低地時,就成了溪流。
  7. This paper referred to the massive domestic and foreign technical material, elaborated in the sheet forming value simulation theory essential technology in detail, points out when analysis sheet forming question should use the big distortion ball plasticity fem and introduce the application characteristic and the function summarizes of the sheet forming simulation software dynaform. secondly, analyzed the cover forming characteristic, simultaneously introduced the influence cover forming factor in detail : such as ramming direction, the craft addendum surface and the material pressing surface, the radius of convex - concave mold, draw bead, pressure strength, blank size and craft margin and so on. and simulates many typical automobiles cover panel with software : such lateral board, back taillight pedestal and storage cover

    其次,分析了覆蓋件成的特點和要求,同時詳細介紹了影響覆蓋件成的因素如沖壓方向、工藝補充面和壓料面、模圓角、拉延筋、壓邊力、坯料尺寸和工藝切口等,並用數值模擬軟體對多個典型的汽車覆蓋件汽車后側圍板、后燈座以及轎車后備箱蓋的沖壓成情況進行模擬,用模擬結果優化拉延工藝方案,比較了內覆蓋件和外覆蓋件在成特點和要求的一些異同點,以及常見的起皺、拉裂和回彈、成不足等缺陷的產生機理和相應對策,重點介紹工藝補充面和壓料面的設計及優化方法,因為拉延是沖壓工藝的關鍵工序,而工藝補充面和壓料面的設計是拉延工序的關鍵,對消除缺陷至關重要。
  8. By the study of several typic methods of determining convexo - concave features for vertices of polygon, the computation time complexity of these methods was analysed, and those methods were implemented in vc + +

    摘要主要針對幾種典型的多邊頂點性識別演算法進行研究,對它們的計算時間復雜度進行分析,並用vc + + 6 . 0實現多邊頂點性的高效識別。
  9. As a new type gear transmission, double circular arc profile bevel gearing carries out its transmission by means of meshing between convex - concave tooth profile in both of the direction of tooth trace and the direction of tooth depth, so it has advantage of high load capacity, long service life, easy forming hydrodynamic oil film between teeth as well as high quality of running - in etc. therefore, more attention has been paid to its application and research in recent years

    作為一種新型齒輪傳動方式,雙圓弧弧齒錐齒輪傳動不論在齒線方向、還是在齒高方向,均為齒廓相嚙合,因而它比一般的弧齒錐齒輪傳動的承載能力高,使用壽命長;並且在嚙合過程中兩齒面間容易成潤滑油膜,具有良好的跑合性能,所以對它的應用和研究日益受到人們的重視。
  10. Hard alloy die is made y taking high - quality hard alloy as its nips and fastening with steel die case. it is characterized by high hardness, good thermal conductivity, brasive coefficient and strong resistant to corrosion. it is suitable for drawn metal wire, bar and pipes. the types of dies includes rectangle, hecagon, octagon, diamond, trapezoid, basin and knob, u - shaped and half round types

    硬質合金模具採用優質合金作模芯,並用鋼質模套緊固,具有硬度高,導熱性能好,磨擦系數小,抗腐蝕性等特點,適用於拉制金屬線材,棒材,管材等,另外,模具的類型有矩型、六角型、八角型、菱型、梯型、型、馬蹄型、半圓型等各種異模。
  11. With an area of 5300 km2, dongpu depression is located in the southwest of lin - qing depression, bohaiwan basin, bounded with lu - xi uplift by lan - liao fault in the east, with nei - huang uplift by chang - yuan fault in the west, with lan - kao heave by the north feng - qiu fault in the south, with xin country depression by ma - ling fault in the north, while spreading along nne defection, taking on the forms of being wide in the south, and narrow in the north. it is a rift fault depression basin with the characteristics of striking, with the basement being the paleozoic and mesozoic, and the capping beds being the cenozoic

    東濮陷位於渤海灣盆地臨清坳陷西南端,東側以蘭聊斷裂為界與魯西隆起為鄰,西側以長垣斷裂為界與內黃隆起相接,南以封丘北斷層為界與與蘭考起相鄰,北以馬陵斷層為界與與莘縣陷相望,是以古?中生界為基底,以新生界為蓋層,古近紀成的拉分走滑?裂谷型箕狀斷陷盆地。
  12. Round, smooth nuclear surface, and uniform nuclear pore changed into bumping surface and expanding nuclear pore, then the nuclei broken and disappeared ; 2 ) the degenerate and disappear of cell organelle and senescence of the flag leaf were obviously faster during the ripe of grain ; 3 ) the degenerate and senescence of chloroplast was faster than that of mitochondria ; 4 ) the nuclear of leaf cells broken and disappeared faster than that of the leaf bumdles

    即核呈球,表面光滑,核孔勻稱核表面,部分核孔變大核膜破裂,核解體,消失; ( 2 )在籽粒成熟期小麥旗葉衰老及其細胞器退化消失明顯加快; ( 3 )細胞中葉綠體的退化、消失比線粒體稍快; ( 4 )葉肉細胞的細胞核比維管束韌皮組織細胞核解體消失稍快。
  13. In this paper, the approximate polygon for irregular shapes, the protruding and concave point of polygon, the direction of polygon, the area of polygon, the single, face to face, frock, combinable packing are talked

    對不規則件的多邊近似表示、多邊點、多邊方向、多邊面積和多邊單排、對排、雙排以及聯排的預先處理進行了探討。
  14. Factors including welding sequence being input of the network, and welding distortions being output can make the resulting network which is used for the model of welding distortion and its fast forecasting

    以焊接順序等因素作為網路輸入,以鋼結構板材為輸出,訓練生成網路焊接變模型,可用於預測船舶鋼結構焊接變量的快速預測。
  15. The constructed surface is c2 continuous on the whole domain, and is a piecewise cubic parametric polynomial on every subdomains. the interpolating surface can preserve the convexity, concavity, inflection property and monotonicity of the data set. in the end, each algorithm brought forward in the paper is exemplified, at the same time, error is discussed

    3針對保曲面插值問題,提出了一種插值于給定數據點集的參數型保曲面插值演算法,所構造的曲面在整個區域上是c ~ 2連續的,在每個子區域上是分片三次參數多項式,並且保持被插函數集的所有子區域的邊界及其內部的軸向單調性、性以及拐點性質。
  16. It is found that : ( 1 ) for linear slope, redistribution of incoming energy flux in modenumber space depends on both the modenumber of incident waves and the ratio of the slope of incident wave ray to slope of topography ; both the transmitted and reflected energy flux ( only for supercritical linear slope ) focus near one or two modenumbers ; for supercritical linear slope, the energy flux scattering to higher modenumbers becomes larger and the energy flux to lower modenumbers becomes smaller as the slope of incident wave ray comes near to slope of topography ; ( 2 ) for convex slope, energy flux is redistributed in wide - range modenumbers and also show peaks on lower - modenubers and higher - modenumbers ; ( 3 ) for concave slope, energy flux is also redistributed in wide - range modenumbers, but does not show peaks on higher - modenumbers as supercritical linear slope and convex slope do ; ( 4 ) the total energy flux scattering to higher modenumbers is approximately equal to the total energy flux to lower modenumbers for internal waves propagating over both convex slope and concave slope, which means the concave slope is the same efficient to convex slope in scattering energy flux to higher modenumbers ; ( 5 ) for convex slope, the wave ray reflected from near - critical topography can extend to deep ocean and shallow shelf, while for concave slope, the wave ray reflected from near - critical topography can only extend to limited distance, then meet the topography and be reflected again ; generally the shear of the internal waves reflected twice from concave slope is not enhanced while the enhanced shear does also appear before second reflection takes place, the enhanced shear can bring about intense mixing, so internal waves reflected from concave slope can also produce marked mixing near critical slope

    3 、內波在上傳播時,能通量在模態上的分佈范圍也比較寬,但與和超臨界線性斜坡地相比,能通量在高模態上的分佈沒有明顯的峰值。 4 、從總的能通量來講,內波在上傳播時,向高模態散射的能通量與向低模態散射的能通若十地下內波傳播及內潮生成問題的理論解量近似相等,這意味著二者在向高模態散射能通量方面具有同等效率。 5 、上臨界點附近的反射,反射波的波射線能夠延伸到深海和陸架,上臨界點附近的反射,反射波的波射線很快遇到地發生二次反射,一般來講二次反射后回到深海的波動其速度剪切並不很強,但是在進行二次反射之前的區域,速度剪切仍然很強,因而內波在上的反射依然能夠在地附近區域,產生強的速度剪切區,誘發混合。
  17. Propagation of internal waves over linear slope, convex slope and concave slope are discussed by using of the transforms introduced in this dissertation. the transforms let the reflected waves from those topographies can be expressed in analytical forms

    利用提出的變換討論了內波在線性斜坡地上的傳播特徵,分析了入射波能通量在不同模態上的重新分佈。
  18. This paper studies the influence of different riverside shape on the flow condition of low - head hydraulic lock ' s outlet area through mathematical computation and examples of project, and finds out the riverside shape which is the most advantageous one

    摘要通過概化模型計算並結合工程實例分析,研究了河岸對低水頭樞紐船閘口門區水流條件的影響,指出了對低水頭樞紐船閘口門區通航水流條件相對有利的河岸態。
  19. In addition, an extended curve constraint is presented to replace the original triangulation and parameterization techniques and instead of the bezier - shaped displacement reference, the basic function with parameters to control the deformation area and the magnitude are used to surface deformation

    其次,擴展了曲線幾何約束。舍棄了原有的利用三角剖分帶和局部參數化的方法,轉而利用基本函數定義的偏移曲線來生成表面的
  20. In the algorithm, the convexity - concavity of vertexes and arcs must be identified, and a fast approach for identifying the convexity - concavity of line - arc closed curve is proposed. firstly, the orientation of a closed - curve is determined by constructing a new convex polygon. secondly, by using the orientation of the closed curve the convexity - concavity of vertices and arcs are identified

    在演算法實現過程中,由於需要對圓弧和直線段組成的封閉曲線的頂點、圓弧的性進行判定,本文提出了一個圓弧和直線段組成的封閉曲線性快速判定方法,該方法首先通過構造一中介多邊求出封閉曲線的方向,然後根據封閉曲線方向確定頂點及圓弧的性,進而確定封閉曲線的性。
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