| 释义 |
concave lens kɔn'keiv；lenz 高ＳＴ短语¹³¹⁶²⁰⁺³
基本英英近义反义例句例句
凹透镜
光学
Noun:
a lens such that a parallel beam of light passing through it is caused to diverge or spread out近义词 diverging lens分散透镜,发散透镜…
Just as a double convex lens enlarges, so a doubleconcave lensreduces.正象双凸透镜可以放大那样，双凹透镜也可以缩小。 This paper describes a diverging fibre that is analogous to a concave lens.
本文讨论一种发散型光学纤维，它类似于凹透镜。 cnki |