“primary standard of laser small angle”的概念、定义、翻译、参考文献-科学参考

单词	primary standard of laser small angle
释义	primary standard of laser small angle Encyclopedia 工学角度计量技术释 primary standard of laser small angle激光小角度计量基准用于±1°范围内小角度量值的校准和溯源，复现和保存小角度量值，具有最高准确度，统一全国小角度量值的最高依据的国家计量基准。
随便看	semi empirical quantum chemistry method semi-empirical quantum chemistry method semi-empirical theory semiempirical theory semi-enclosure farming semi-endless rolling semi-endomorphism semi-equivalent semi-Euclidean plane semi-Euclidean space semi-exact semi-exact couple semi-exact differential semi-exact form semiexciting semi-explicit solution semi-factorial semi-fermented tea semi-field semifield semi-field-valued semi-finished semifinishing machining semifinite semifinite algebra

科学参考收录了854744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。