“ecological infrastructure”的概念、定义、翻译、参考文献-科学参考

单词	ecological infrastructure
释义	ecological infrastructure Encyclopedia 理学生态基础设施释 ecological infrastructure生态基础设施为人类生产和生活提供生态功能的自然与人工设施，保证自然和人文生态功能正常运行的公共服务系统。
随便看	positive semi-definite rational function positive semigroup positive semiorbit positive semi-trough positive sense positive sense single-stranded RNA virus positive sequence positive series positive side positive sidelight positive sign positive skewness positive solution positive species interaction positive spinor positive staining positive strain energy positive strand positive subspace positive supportive reaction positive (symmetric) operator positive symmetric operator positive system of roots positive term positive term series

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。