“保护性耕作”的概念、定义、翻译、参考文献-科学参考

单词	保护性耕作
释义	保护性耕作 Encyclopedia 农学保护性耕作释 conservation tillage保护性耕作对农田采用免耕、少耕、地表微型改造，结合覆盖、轮作、农药病害虫防除等措施，提高土壤蓄水保墒能力和土壤肥力，防止土壤侵蚀、退化，完善表层土壤生态系统结构、增强其生态功能，确保耕地可持续利用的综合性土壤管理技术体系。
随便看	frequency-doubled laser frequency doubling frequency doubling, frequency multiplication frequency doubling material frequency downconversion frequency drift frequency encoding frequency equation frequency error frequency estimator frequency factor frequency-following response frequency four-vector frequency fraction frequency function frequency histogram frequency hopping frequency hopping technique frequency hypothesis frequency hysteresis frequency indicator frequency instability frequency interval frequency inversion frequency jitter

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。