| 单词 | lens-board |
| 释义 | > as lemmaslens-board lens-board n. ΚΠ 1892 Photogr. Ann. II. 289 The most important feature is the novel and convenient mode of attaching the front lens board to the baseboard. 1941 R. M. Allen Photomicrogr. ii. 67 Most manufacturers provide some type of fixture, preferably with focusing means incorporated in it, for carrying the lenses on the lens board. 1967 R. R. Karch & E. J. Buber Graphic Arts Procedures: Offset Processes v. 143 The lensboard, located directly in front of the copyboard, houses the lens. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。