Ecological and economic的用法和樣例：
例句
- The thought of sustainable development ethnics should be sponsored to tead the ecological economy development way.
倡導堅持可持續發展倫理思想，走生態經濟發展的道路。 - Grey linear programming was used to optimize the structure of agro-ecological and economic system in Dongtai coastal farmland.
以江蘇東台市為例，運用灰色線性規劃的方法對沿海農區農業生態經濟系統結構進行優化。
