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
- crop nursery
- crop pests
- crop pests in China
- crop phenomics information
- cropping
- cropping of forging billet
- cropping restrictio
- cropping system
- cropping system and soil management
- cropping systems in medieval Europe
- crop population structure
- crop potential productivity
- Crop Protection
- crop quality
- crop quality analysis by remote sensing
- crop radiation mutation breeding
- crop resistance
- crop rotation
- Crop Science
- Crop Science Society of America，CSSA
- Crop Science Society of China，CSSC
- Crop Science Society of Japan, CSSJ
- Crop Science Society of the Philippines
- crop seed testing
- crop shear