凸凹 的英文怎麼說

中文拼音 [āo]
凸凹 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. It was well he did, for the whole hill - back was one billowy, white ocean ; the swells and falls not indicating corresponding rises and depressions in the ground : many pits, at least, were filled to a level ; and entire ranges of mounds, the refuse of the quarries, blotted from the chart which my yesterday s walk left pictured in my mind

    幸虧他陪我,因為整個山脊彷彿一片波濤滾滾的白色海洋。它的起伏並不指示出地面的凸凹不平:至少,許多坑是被填平了而且整個蜿蜒的丘陵石礦的殘跡都從我昨天走過時在我心上所留下的地圖中抹掉了。
  2. Jointing products. mastics for bonding of connex or concave tiles. test methods

    填縫用品.凸凹磁磚粘接膠合.試驗方法
  3. Jointing products. mastics for bonding of convex or concave tiles. specifications

    填接縫用品.凸凹磁磚粘接膠合.規范
  4. Proving inequalities by the convexity or concavity of functions

    用函數的凸凹性證明不等式
  5. Research on a new kind of micro peristaltic robot in pipeline simulating a medicinal leech

    一種可越過凸凹障礙的仿醫蛭管內微型機器人
  6. 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,以產生凸凹並形成極性基團。
  7. As the flow becomes concentrated in low places because of irregularities in the surface, rills are formed.

    由於地面凸凹不平,當水流逐漸集中於低地時,就形成了溪流。
  8. 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。
  9. 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形頂點凸凹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實現多邊形頂點凸凹性的高效識別。
  10. The springback angle increases with the increase of the punch round radius and clearances between the punch and the die while decreases with increase of the blank holder force, sheet thickness, friction coefficient and material hardening exponent

    回彈角隨模圓角半徑和凸凹模間隙的增大而增大,隨壓邊力、板料厚度、摩擦系數和材料硬化指數的增大而減小。
  11. Convex and concave milling cutters technical specifications

    凸凹半圓銑刀技術條件
  12. 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。
  13. Push the handle gently until the concavo convex parts of both clutches occlude automatically

    用手輕推手柄待兩個離合體的凸凹處重合后便會自行咬合
  14. This series can print production dates, expiring dates and batch numbers and simple pictures on various bottles, cans, cups and boxes. and it can also print on various materials like metals, plastics, glass, china and other uneven surfaces, the printing speed high and printing letters clear

    本機適用於各類瓶、罐、杯、盒包裝上列印出廠日期、保質期、批號及簡單圖案,可在各種材料如金屬、塑料、玻璃、陶瓷等不同凸凹面上印刷,印刷速度快、字體美觀清晰。
  15. Snow and ice are white, but debris or rough surface can change it into a grey tone.

    雪和冰均呈白色,但是碎石或凸凹不平的地表可使其變成灰色色調。
  16. 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

    即核呈球形,表面光滑,核孔勻稱核表面凸凹,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。
  17. Because of long - time water erosion and weathering, the furface of the stone becomes uneven, looking like a rough sea

    由於長年被水流沖蝕溶蝕及風化作用,使巖石表面凸凹不平,如同風吹過水面,捲起千層浪。
  18. 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

    對不規則件的多邊形近似表示、多邊形點、多邊形方向、多邊形面積和多邊形單排、對排、雙排以及聯排的預先處理進行了探討。
  19. 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針對保形曲面插值問題,提出了一種插值于給定數據點集的參數型保形曲面插值演算法,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、凸凹性以及拐點性質。
  20. The surface of the pcl / pvc banded spherulites presented to be concentric periodic ups and downs. the period of the bands corresponded to the extinction rings under the polarized optical microscopy observation

    Pcl環帶球晶的表面由周期性高低起伏的環狀結構組成,其凸凹起伏的環帶與球晶在偏光顯微鏡下的明暗交替相對應。
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