运用构造控水分析、水化学同位素等方法，对宁南“南北古脊梁”岩溶裂隙水系统进行了深入的分析与讨论。
Karstfracture groundwater in the south-east of Ningxia has been synthetically analyzed by applying the theories of tectoniccontrolled groundwater, groundwater geochemistry and isotopic techniques.
把古洪水加入到洪水系列后进行频率计算，可以看出频率曲线基本合理，说明对1482年洪水重现期的判断是合理的。
It can be seen that the frequency curve calculation is basically reasonable and show the estimation of "1482 flood" return period is rational after putting palaeofloods into flood series.
这里古地震遗迹丰富，断错山脊、水系明显。
There are rich palaeoseismic vestiges) offsetted ridges and river systems are apparent.
现代松辽水系是在松辽盆地地质构造、古地貌发育的基础上，几经变迁逐渐演变而成的。晚第三纪以来，古松辽水系经历了几次大规模的河湖交替。
Since the Neogene, the ancient Songhua-Liao River system have undergone several changes with the alternation of fluvial and lacustrine formation on a large scale.
其发育程度及其层位的区域变化规律表明，泥质浑水系来自海盆东侧的 华夏 古 陆。
The regional variety of development degree and horizon shows that the turbid-water with mud is from Cathysia on the east of Zhejiang-Anhui Sea Basin.
其发育程度及其层位的区域变化规律表明，泥质浑水系来自海盆东侧的 华夏 古 陆。
The regional variety of development degree and horizon shows that the turbid-water with mud is from Cathysia on the east of Zhejiang-Anhui Sea Basin.
应用推荐