concave rim 中文意思是什麼

concave rim 解釋
凹形輪輞
  • concave : adj 凹的,凹面的 (opp convex)。n 凹,凹線,凹面(物)。 the (spherical) concave 〈詩〉蒼穹。v...
  • rim : n. 1. (圓形器皿的)邊,緣;輪圈,輞圈,輪輞,輪緣;眼鏡框,帽邊(等)。2. 【航海】水面,海面。vt. 裝邊(緣),裝輪圈;〈美俚〉欺騙,誑騙。
  1. Some are flared ? that is, thicker at the rim than in the center, like a concave lens

    有些呈喇叭形即邊緣較中心厚,類似凹透鏡。
  2. It is a sloping green valley, concave in shape, its upper rim coming in direct contact with a series of enormously high cliffs that rise almost vertically

    這是一處傾斜的綠色山谷,呈凹形,山谷上緣直接連接連綿的、高不可攀、近乎垂直的懸崖。
分享友人