古地形的 meaning in English

paleotopographic

We conclude the reservoir is of complex pore - cave - fracture type . 5 . the karst reservoir is studied by paleography , leaching time , hydrological regime , lithofaces - paleography , combined with outcrops and drilling data , the karst reservoir model is established
8 、本区岩溶储层的空间分布呈带状，非均质性强，并受水动力带、岩性、沉积相、构造、风化剥蚀持续时间和古地形的影响。