数据库 数据库管理系统及其实现技术 释文 integrity validate 完整性验证
- 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
- crop smart management
- crop straw carbonization
- crop straw carbonization engineering