“back focal length”的概念、定义、翻译、参考文献-科学参考

单词	back focal length
释义	back focal length [`bak ¦fō·kǝl ´leŋkth] ^OPTICS The distance from the rear surface of a lens to its focal plane.
随便看	sea front sea frontier sea gate sea glow seagoing barge seagoing tug sea grass sea gully Sea Horse sea horse sea ice sea-ice shelf seakeeping sea kindliness sea knoll seal sea-lane sea-launched ballistic missile seal coat sealed-beam headlight sealed cabin sealed tube sealer Seale rope sea level

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。