“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	orcelite orchard establishment orchardgrass rust orchard microclimate orchard of fruit germplasm resources orchard planning orchard-planting problem orchard problem orchard vegetation orchard visibility problem orchard with sod cultivation orchestra orchestral music interlude in an opera orchestra pit orchestration orchestrator of film and TV music Orchestre de la Suisse Romande Orchestre de Paris Orchestre des Concerts Lamoureux Orchestre National de France orchid orchid and bamboo orchidantha family Orchid Blooms in Spring Sunshine orchid garden

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。