“围封”的概念、定义、翻译、参考文献-科学参考

单词	围封
释义	围封 Encyclopedia 农学草地围封释 exclosure围封采用人为干预手段将草场划分为若干小区并加之围栏后，排除放牧干扰（例如家畜的践踏、采食及粪便等）而达到调节草地生态系统草食动物与植物关系的草地管理手段。
随便看	positive part of an element positive perfect correlation positive plate positive platemaking positive polarity machining positive potential positive-pressure pulverizer with intermediate storage bunker positive pressure sealing positive propaganda positive proposition positive psychology positive psychotherapy positive punishment positive quadratic differential positive quadratic form positive quantity positive ray function positive real axis positive real control positive real function positive real number positive real part positive real system positive recurrent point positive recurrent state

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。