“生态价值”的概念、定义、翻译、参考文献-科学参考

单词	生态价值
释义	生态价值 Encyclopedia 工学城乡生态环境释 ecological value生态价值自然生态系统所提供的产品、服务和环境支持，对于人类社会生存发展的效用。
随便看	commutative relation between differential operation and variational operation commutative ring commutative ringed space commutative scheme commutative semigroup commutative subgroup commutative subspace lattice commutative superalgebra commutative valuation commutativity commutativity condition commutativity relation commutator commutator algebra commutator calculus commutator closed group commutator factor group commutator group commutator ideal commutator identity commutatorless motor commutator operation commutator product commutator quotient group commutator 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。