“background level”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	background level
释义	background level 本底水准
随便看	optically coated optically contacted etalon optically coupled circuit optically coupled device optically coupled integrated circuit optically coupled isolator optically coupled laser optically coupled pulse amplifier optically coupled system optically denser medium optically derived transform optically effective atmosphere optically excited laser optically excited metastable level optically flat filter optically flat glass optically flat surface optically flat window optically focused beam optically-focused beam optically focused solar beam optically identified source optically inactive optically inactive substance optically levitated particle