“regional primary standards of national defense”的概念、定义、翻译、参考文献-科学参考

单词	regional primary standards of national defense
释义	regional primary standards of national defense Encyclopedia 工学（计量）释 regional primary standards of national defense国防区域最高计量标准在国防二级计量技术机构设置区域内具有最高计量特性，由国家国防科技工业计量主管部门考核合格并授权在区域内进行量值传递的测量标准。
随便看	photographic baseline photographic baseline component photographic calibration photographic camera photographic catalogue photographic chart Photographic Chemistry photographic chemistry photographIc communication photographic composition photographic criticism photographic density Photographic Department of Xinhua News Agency photographic developer photographic effect photographic emulsion Photographic Encyclopedia of Traditional Beijing Opera Costumes photographic ephemeris photographic exposure photographic film photographic filter photographic filter socket photographic filter thread diameter photographic flying automatic control system photographic fog

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。