请输入您要查询的字词:
单词
postal history
释义
postal history
Encyclopedia
工学
〔交通史〕
释
postal history
邮政史
邮政发展的历史。邮政是依赖实物传输网进行书面通信和快速送达小件物品的系统。“邮”指通信方式和组织,“政”指由国家政权进行统治。数千年来,绝大多数邮政系统为政府运行。至今,邮政大力发展,已经具有通政通民通商的特征,也是国民经济运行不可或缺的行业。
随便看
urban planning of Chongqing
urban planning of fire control
Urban Planning of Macao
urban planning of Pyongyang
urban planning of Shengyang
urban planning of Tianjin
urban planning of Versailles
urban planning of Wuhan
urban planning on disaster resistance and prevention
urban planning on flood control
urban planning regulations
urban planning regulation system
Urban Planning Society of China
urban plant
urban plaza public space design
urban politics
urban population
urban population base of China
urban population density
urban population distribution in China
urban population problems in China
urban population projection
urban population size in the administration area of city
urban population structure
urban postal system planning
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2025/4/5 10:46:02