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convex surface中文是什么意思

  • 背弧面
  • 凸面

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千万人都在用的超大词汇词典翻译APP

  • 例句与用法
  • The convex surfaces faces toward the left .
    凸面朝左方。
  • A convex surface , body , part , or line
    凸面、凸面体、凸面部分或凸线
  • Closed convex surface
    闭凸曲面
  • Application : grind the surface of wood and metal . lap the hole and surface of work - piece . gind and lap flexible contoured suface , especially concave and convex surface profiles
    用途:应用于木材和金属的表面抛光、工件的内孔、外壁的精磨、用于弯形物的曲面、尤其是凹凸表面和侧面的研磨、抛光。适用于铸铁、木材、钢材、有色金属、塑料。
  • 2 . sperm ultrastructure the sperm is nonflagellated and composed of a main body in which including nucleus n apical cap and a little cytoplasm and a single spike extending from the convex surface of the apical cap , which consists of about twenty radial fibrillae on which exhibiting periodic cross - striations . the concave surface of the apical cap surrounds the little cytoplasm which is highly condensed and has n ' t any organella and sperm nucleus , which is uncondensed and composed of filamentous materials and many membrane - bound vesicles
    外形呈图钉样,由主体部和棘突组成,主体部包括帽状体、细胞质带和精核。帽状体由约20根辐射状排列的纤丝组成,纤丝具横纹。其凸面延伸成棘突,棘突内纤丝是帽状体内纤丝的延续,亦具横纹。
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Last modified time:Sat, 16 Aug 2025 00:29:56 GMT

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