Heihe River valley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 preliminary application shows that the prediction model can meet the requirement of real-time allocation of water resources in the Heihe River Basin.
在黑河流域水資源實(shí)時(shí)調度需水計算中進(jìn)行了初步應用，結果表明該模型能滿(mǎn)足流域水資源實(shí)時(shí)調度的需要。
