凹圓面 的英文怎麼說

中文拼音 [āoyuánmiàn]
凹圓面 英文
concave chamfer
  • 凹 : 凹名詞（凹陷的地方, 用於地名） low-lying area; depression （used in place names）
  • 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...
  1. Danglars hazarded a look on both sides of the road, and perceived monuments of a singular form, and his mind now recalled all the details morcerf had related, and comparing them with his own situation, he felt sure that he must be on the appian way. on the left, in a sort of valley, he perceived a circular excavation. it was caracalla s circus

    騰格拉爾大著膽子向路的兩邊望了一望，看見兩邊都是一式的紀念碑，馬爾塞夫那場冒險的種種細節在他的頭腦裏面盤桓著，他確信自己已被帶上了阿匹愛氏路上，在一塊象山谷似的地方，他看見有一個圓形凹陷的建築物。
  2. Underpart lamp stand for cover disc shape, sole concave yield, flat facial ornament runs flowers 5 times, carve and collude and connect with the cloud line in the base

    下部燈座為覆圓盤形，足底凹進，座面飾五辦花，底邊刻勾連雲紋。
  3. Concave disk colter

    凹面圓犁刀
  4. The diameter of a sphere is four times the focal length of a concave mirror cut from it

    凹面鏡如果是從圓球上切下來的，圓球的直徑會是凹面鏡焦距的四倍。
  5. With the concavity and integrability of sublinear terms near zero, the symmetry results for a class of sublinear elliptic equations are given by making use of the moving - plane method

    本文利用次線性項在零點附近的凹性和可積性，用移動平面法給出了一類次線性橢圓方程正解的對稱性
  6. Leaves leathery, ovate or elliptic, 7 - 12 cm long, 3. 5 - 5 cm wide, apex short acute, base rounded or cordate, upper surface green, glossy, lateral veins 6 - 8 pairs, impressed adaxially and prominent abaxially

    葉革質，卵形或橢圓形，長7 - 12厘米，寬3 . 5 - 5厘米，先端短急尖，基部圓形或心形，上面亮綠色，側脈6 - 8對，在上面凹陷，在下面突起。
  7. These specimens of ruppia are characterized by possessing a small oval endocarp, smooth endocarp surface, distinct narrowly elliptic external depressions, distinct apical mucro, slightly curved seed shape and conspicuous globose hilum. a new species, r. yushensis sp. nov

    該新種的主要特徵為內果皮卵形、表面光滑、側面具兩個顯著的窄橢圓形凹陷、頂端具一個明顯的小尖突，以及種子頂端具顯著的球形膨大的種臍。
  8. ( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given

    論文主要包括三個方面： （ 1 ）分析了凹面反射的焦散現象，給出了不同凹面反射的焦散圖； （ 2 ）分析了二維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類，得出了二維凹面反射波動場焦散區奇性主要有折疊（ fold ）和尖點（ cusp ）兩種的結論，利用辛幾何方法構造了圓錐曲面反射波動場非焦散區和焦散區的通用計算公式，並給出了圓柱面、橢圓柱面及雙曲柱面反射的計算結果； （ 3 ）分析了三維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類，得出了三維凹面反射波動場焦散區奇性主要有折疊（ fom 、尖點kusp和燕尾k ）三種的結論，提出了利用辛幾何方法計算三維凹面反射波動場非焦散區和焦散區的計算方法，並給出了三軸不等橢球體凹面反射波動場的計算結果剖面圖。
  9. 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，分析了覆蓋件成形的特點和要求，同時詳細介紹了影響覆蓋件成形的因素如沖壓方向、工藝補充面和壓料面、凸凹模圓角、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形情況進行模擬，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形特點和要求的一些異同點，以及常見的起皺、拉裂和回彈、成形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。
  10. 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，均為凸、凹齒廓相嚙合，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形成潤滑油膜，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。
  11. Used for the enlargement of circular openings, elongated holes and similar purposes. also used for the filing of concave surfaces with small radius

    主要是為了擴大圓孔和相似的用途。它可以在小半徑的凹面表面使用。
  12. Equipment for working the soil. concave disks

    土壤耕作機械.凹面圓盤
  13. Below deck was a square cabin, of which the walls bulged out in the form of cots, above a circular divan ; in the centre was a table provided with a swinging lamp

    他們從后艙口進了一間正方形的房艙，這間房艙四周的墻壁都設有凹進去的床鋪，床鋪下面放著半圓形的長凳子。
  14. In consideration of time and budget factor, the first step is to manufacture 8 - type ( groove axle structure ) and circle bore type mechanical heart valve. here, the concentration is on the structure design, process and process equipment design, and manufacture of valve on a trial basis

    考慮到時間進程和經費因素，初步選定進行8字型凹槽樞軸結構平面瓣型及圓柱孔樞軸圓孔型心瓣進行試制加工，本論文工作的重點是人工心臟瓣膜的結構設計，工藝和工藝裝備設計，以及人工心臟瓣膜試制。
  15. Dimple - a concave depression found on the surface of a wafer that is visible to the eye under the correct lighting conditions

    表面起伏-在合通下線光的適過肉眼可以發現的晶圓片表面凹陷。
  16. Back then, chip designers considered it risky to add two or three layers of metal on top of the silicon wafer because each new layer added hills and valleys that made it difficult to keep photolithographic patterns in focus

    當時的晶片設計者認為在矽晶圓上加上兩三層金屬有點冒險，會使晶圓表面凹凸不平，增加光刻過程中聚焦的困難。
  17. Blood cells are suspended in fluid plasma and therefore are characteristically round in shape

    血細胞懸浮於血漿中，血細胞呈特殊的雙面凹陷的圓形。
  18. After blanting resin abrasive cloth into small blocks, glue them into a disc, it is suitable for buffing surface of workpiece, wildly used in minding and decoration industries

    該產品選用樹脂砂布沖成小塊粘合而成的圓盤，打磨工件表面，廣泛應用於廠礦及裝飾行業。主要用在工件較狹窄且較深長的凹槽打磨拋光。
  19. Concave circular saw

    凹面圓鋸
  20. Die throat radial stress was analyzed during every phase of drawing when the round draw bead be used, the formula of even stress intension in every region are deduced, this work establish the theory base of software programming about drawing the curved surface part

    摘要以半圓筋為例，分析得到了使用拉深筋拉深曲面零件時，拉深各階段凹模入口的徑向應力公式，並且對拉深各位置段的平均應力強度進行了求解，為開發曲面零件拉深應用軟體奠定了理論基礎。
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