“postal appliances”的概念、定义、翻译、参考文献-科学参考

单词	postal appliances
释义	postal appliances Encyclopedia 工学邮政用品用具释 postal appliances邮政用品用具进入邮政通信网中使用的具有国家标准、行业标准或其他影响邮政通信全网运行效能的各类信封、明信片、专用包装用品、邮筒（邮箱）、日戳（见邮戳）、过戳机、邮资机、条码生成器等。
随便看	coefficient of performance coefficient of performance for cooling coefficient of performance for heating coefficient of permeability coefficient of proportionality coefficient of raised path throuth fields coefficient of rank correlation coefficient of reflection coefficient of refraction coefficient of refrigerating performance coefficient of regression coefficient of relationship coefficient of repeatability coefficient of residual gas coefficient of residual strength coefficient of restitution coefficient of rotation coefficient of runoff regulation coefficient of seismic effect coefficient of selective absorption coefficient of self induction coefficient of self-induction coefficient of shear viscosity coefficient of similarity coefficient of skewness

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。