“警用标志”的概念、定义、翻译、参考文献-科学参考

单词	警用标志
释义	警用标志 Encyclopedia 法学警用标志释 police sign警用标志人民警察按照规定穿着制式服装时佩带的专用标志，包括帽徽、警衔标志、领花、胸徽、警号、臂章等。
随便看	second-order property second order spatial coherence second-order spatial coherence second order spectrum second-order sufficient condition second-order system second order temporal coherence second-order temporal coherence second order term second-order theory second-order variation second order wave force second organic aerosol compounds second orthogonality relation second Pappus theorem second partial derivative second pendulum second-person virtual reality second plenary session of ninth central committee of CPC Second Plenary Session of Seventh CPC Central Committee second polar second polar body second power second power point second principal line

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。