ecological-economic systems

• 生态经济系统

ecological-economic systems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. Grey linear programming was used to optimize the structure of agro-ecological and economic system in Dongtai coastal farmland.
   以江苏东台市为例，运用灰色线性规划的方法对沿海农区农业生态经济系统结构进行优化。