“reverse pyramid of grassland system”的概念、定义、翻译、参考文献-科学参考

单词	reverse pyramid of grassland system
释义	reverse pyramid of grassland system Encyclopedia 农学草业系统“倒金字塔”释 reverse pyramid of grassland system草业系统“倒金字塔” 在人类强烈干预和已有科学技术手段支持下，通过农学措施提高各个转化阶段的草地生产能力，使经济效益逐级放大（或增值）的“倒金字塔”模式。
随便看	covariant tensor algebra covariant tensor field covariant tensor fields on complex manifold covariant transformation covariant valence covariant vector covariant vector field covariant wave equations covariate-adaptive randomization covariate-adjusted response-adaptive randomization covariate imbalance covariate measure error covariation covaseal covector covellite covenant Covenanters Covenant of Union of Central America covenant texts covenant theology Coventry cover coverability coverability graph

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。