“ecological value”的概念、定义、翻译、参考文献-科学参考

单词	ecological value
释义	ecological value 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	Second Battalion second beat second Bianchi identity second boundary condition second boundary value problem second Brillouin zone second Brocard Cevian triangle second Brocard circle second Brocard point second Brocard triangle Second Bulgarian Kingdom second category second category set second cementing interface second characteristic polynomial second class of ordinal numbers second comparison test second complementary law second component second conjugate space second contact second control second cosine formula second cosine theorem second cosmic velocity

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。