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

单词	special postal service
释义	special postal service Encyclopedia 工学邮政服务释 special postal service邮政特殊服务邮政企业按照国家落实通信与信息安全保障措施，保证机要通信、国家规定报刊的发行，以及义务兵平常信函，盲人读物和革命烈士遗物的免费寄递等。在保证国家政令畅通、传播方针政策以及各种信息等方面发挥着重要作用。
随便看	ground rolling dragon ground rope ground row ground-satellite communication ground screen ground search & rescue groundsel ground set ground sharks ground shock ground sloth ground source heat pump ground source heat pump air-conditioner ground source heat pump heating ground spectrometer ground state ground state degeneracy polymer semiconductor ground-state depletion effect ground state depletion microscope ground state energy ground state of atom ground state rotational band ground state spontaneous fission ground-state spontaneous fission ground station

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。