| 单词 | focal distance |
| 释义 | focal distance (once / 149612 pages) n WORD FAMILY focal distance: focal distances USAGE EXAMPLESOne of the "first order" has a focal distance of 920 millimetres. Corbin, Thomas W., Marvels of Scientific Invention—An...(2011) The objective, consisting of two separable doublets, permits three degrees of magnification of 5, 9 and 48 cm focal distance respectively. Leitz, Ernst, Microscopes and Accessory Apparatus...(2011) The principal focal distance of concave lenses is found by exactly the same rule as that given for convex lenses. Martin, Marcus J., Wireless Transmission of Photograph...(2010) n the distance from a lens to its focus Syn|Hyper focal length distance the property created by the space between two objects or points |
| 随便看 |
|
英语词典包含147318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。