“photographic objective”的概念、定义、翻译、参考文献-科学参考

单词	photographic objective
释义	photographic objective [¦fōd·ǝ¦graf·ik ǝb`jek·tiv] ^OPTICS A camera lens designed to form sharp real images of objects on a photographic film.
随便看	slide-wire potentiometer sliding sliding-block linkage sliding-chain conveyor sliding contact sliding fit sliding form sliding friction sliding gear sliding-gear transmission sliding pair sliding scale sliding-vane compressor sliding vector sliding way slime slime bacteria slime disease slime flux slime fungus slime gland slime mold slim hole sliming sling

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。