groundwater mining的用法和樣例：
例句
- Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions,forcing people to use low-quality water for drinking.
過度抽取地下水做為飲用水和用來灌溉在許多地區已經使水位下降了幾十米，迫使人們使用質量較差的水來做為飲水。 - When mining large databases, the data extraction problem and the interface between the database and data mining algorithm become become issues.
對大型資料庫進行數據開採時，數據抽取問題及資料庫和開採演算法的介面設計就變得十分重要。
