Method: Density investigation: stick catch; Chemical methods: applying high effect cockroach bait.
方法：密度调查采用粘捕法，化学防制采用高效灭蟑毒饵。
2
Highdensity resistivity method is applied widely in the field of engineering, and the good effect is gained.
高密度电阻率法在工程领域得到了广泛的应用，并取得了良好的效果。
3
Based on the analysis of the existent detecting method, the application of the finite element method (FEM) is put forward to simulate dam leakage monitoring by the high-density resistivity method.