karst cycle meaning in Chinese

喀斯特循环
岩溶旋回

One to three karst cycles may be recognized mostly at the top of the upper permian strata , top of the middle permian maokouan strata and top of the carboniferous strata and subordinately at the top of the devonian strata
这些古岩溶作用主要存在于上二叠统顶部、中二叠统茅口组顶部和石炭系顶部，其次是泥盆系的顶部。
Karst cycle ii could reconstructed the middle and upper ordorician , and the cave preservation of the karst cycle ik iii are better than the cave of the karst cycle i . 5 ) the genetic forecast mode of karst reservoir in the tahe oilfield are founded on the basis of the research of pleokarst topography , pleodrainage system and karst cycle
岩溶旋回可改造中上奥陶统，岩溶旋回、的洞穴保存情况好于岩溶旋回中的洞穴。 5 )通过岩溶古地貌、古水系和岩溶旋回的探讨，初步建立了塔河油田奥陶系碳酸盐岩岩溶型储层成因预测模式。