ecological water demand的用法和樣例：
例句
- Study on Theory and Method of Ecological Water Demand in the Lower Reaches of Heihe River.
黑河流域下游生態(tài)需水理論與方法研究。 - The study of the ecological water requirements in vegetation has become a hot issue in research of water resources allocation and ecol-environmental construction.
對植被生態(tài)需水研究已成為水資源優(yōu)化配置和生態(tài)環(huán)境建設研究中的熱點(diǎn)問(wèn)題。
