| 单词 | concave lens |
| 释义 | concave lens (once / 288276 pages) n WORD FAMILY concave lens USAGE EXAMPLESA concave lens bends rays outward; you get the perception that objects are smaller or farther away. Scientific American(Jul 02, 2015) Formation of virtual image by a concave lens 138 75. Martin, Marcus J., Wireless Transmission of Photograph...(2010) Diminishing Glass.—Much the same effect can be had by using a double concave lens. Parkhurst, Daniel Burleigh, The Painter in Oil—A complete treat...(2010) n a lens such that a parallel beam of light passing through it is caused to diverge or spread out Syn|Hyper diverging lens lens, lens system, lense a transparent optical device used to converge or diverge transmitted light and to form images |
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