river run-off的用法和樣例：
例句
- So, it is practical to use the sequential clustering and Markov model to forecast the river runoff.
這說(shuō)明運用馬爾可夫模型進(jìn)行河徑流量的豐枯狀態(tài)預報是有效可行的。 - Every year, for example, a mother lode of nitrogen drains into the Mississippi River, mostly from agricultural lands, and pours into the Gulf of Mexico.
每年，密西西比河會(huì )有一條主河道不斷的灌入氮元素，大部分都是從農業(yè)徑流獲得，最終流入墨西哥灣。
