ecosystem and economy system

• 生态经济系统

ecosystem and economy system的用法和样例：

例句

1. The ecology economical system is a complex system.
   摘要生态经济系统是一个复杂的系统。
2. Ecosystem health is the aim of soil conservation and ecosystem rehabilitation on the Loess Plateau.
   摘要生态经济系统健康是黄土高原水土保持与生态建设的目标。