city eocosystem的用法和樣例：
例句
- This paper deals with interacton between the urban ecologic system and environment in Xuzhou City.
本文研究了徐州市城市生態(tài)系統與自然環(huán)境之間的相互作用。 - Taking the coastal city of Weozhou as an example, the advantages of greenland, river, tourism and seabeach resources were fully used according to the actual situation.
摘要在城市生態(tài)系統中，以自然要素為主的自然生態(tài)環(huán)境在城市中的發(fā)展與保護越來(lái)越受到各地政府的重視。
