“N.A.”的概念、定义、翻译、参考文献-科学参考

单词	N.A.
释义	N.A. See <<numerical aperture>>
随便看	gasman gas manometer gas maser gas mask gas mechanics gas-metal arc welding gas meter gas munition gasogene gasohol gas oil gas-oil contact gas-oil ratio gas-oil separator gasoline gasoline alkylate gasoline engine gasoline gel gasoline pool gasoline pump gasometer gasometric method gas packing gaspar gaspeite

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。