凸透鏡的英文:
convex

參考例句:
  • A convex lens is used to concentrate rays of light.
    凸透鏡用于聚集光線。
  • He focused the sun's ray on a piece of paper with a burning-glass.
    他用一面凸透鏡把陽光在紙上聚成焦點(diǎn)。
  • Just as a double convex lens enlarges, so a double concave lens reduces.
    正象雙凸透鏡可以放大那樣,雙凹透鏡也可以縮小。
convex是什么意思
adj. 凸出的;凸面的
n. 凸面體;凸?fàn)?/span>
  • Draws a single, convex polygon.
    畫一個(gè)凸多邊形。
  • There is a large convex mirror above the fireplace.
    壁爐上方有一面大凸面鏡。
  • On his map, the surface of the earth is convex.
    在他的地圖上,地球表面呈圓凸?fàn)睢?/li>
  • A convex molding just below the abacus of a Doric capital.
    多立斯柱頭頂板下的凸出裝飾。
  • The convexity of the seed capsule is of decisive importance in host selection
    種子囊的突起對寄主的選擇起著決定性的作用。

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