The traditional method of DC electrical survey is applied to search for water sources in the groundwater study and achieves better effect in confirming exploitation quantity of groundwater.
传统直流电法勘探方法，在地下水研究中应用于寻找水源、确定地下水的开采量取得了较好的应用效果。
2
How to compute groundwater runoff correctly is the basic re - search subject in hydrological calculation.