“封山育林育草”的概念、定义、翻译、参考文献-科学参考

单词	封山育林育草
释义	封山育林育草 Encyclopedia 农学水土保持林草措施释 exclosure for vegetation restoration封山育林育草对具有天然下种或萌蘖能力的疏林及无立木林地、宜林地、灌丛、退化草地实施封禁，以保护植物的自然繁殖生长，并辅以人工促进手段，促使其恢复形成森林或灌木或草本植被的技术措施。
随便看	quadratic electrooptical tensor quadratic electro optic effect quadratic electro-optic effect quadratic element quadratic equation quadratic equation with one unknown quadratic error quadratic estimator quadratic expression quadratic extension quadratic extension field quadratic factoring method quadratic field quadratic field extension quadratic form quadratic form of a knot quadratic form of a link quadratic form of a quiver quadratic form over a vector space quadratic form rank quadratic form signature quadratic forms of same type quadratic formula quadratic function quadratic functional

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。