理学 国际空间数据处理大会 释 International Symposium on Spatial Data Handling; SDH 国际空间数据处理大会 国际地理联合会地理信息科学委员会发起的国际会议系列，是地理信息科学领域最早和最有代表性的国际会议之一。
网络与数据通信 协议体系与组成结构 释文 synchronous digital hierarchy, SDH 同步数字体系
- political criticism
- political criticism by scholars
- political culture
- political cyclopedia
- political decay
- political development
- political discourse
- political documentary
- political domination
- political ecology
- political economy
- political economy of communication school
- political economy of urban planning
- political economy paradigm
- political efficacy
- political elite
- political emancipation
- political emotion
- political emotions
- political essay
- political ethic
- political ethics
- Political Fiction
- political film
- political geography