concave lens

常見例句

雙語例句

• 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。
• The invention provides a method with a concave lens focus as a welding heat source and a welding device thereof.
  本發(fā)明提供一種以凸透鏡焦點(diǎn)爲(wèi)銲接熱源的方法及其銲接裝置。
  ip.com
• Among the reshaping systems converting a Gaussian beam to a flattop beam, the system composed of a plane-concave and a plane-convex lens, is a relatively simple structure.
  在將高斯光束整形爲(wèi)平頂光束的整形系統(tǒng)中，由兩個(gè)非球麪鏡組成的系統(tǒng)是比較簡單的結(jié)搆形式，該系統(tǒng)由平凹鏡和平凸鏡組成。
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