凸透鏡的英文怎么說
2012-07-06 17:06
凸透鏡的英文:
convex
- 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。
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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