It is important for us to find new targets of the exploration of oil-gas in Ordos Basin, with the oilfield development in Mesozoicstratum for a long time.
鄂尔多斯盆地中生界油气勘探开发历史较长，目前主要面临着寻找新的有利勘探区块和层位的任务。
2
The rivers running across large area with emergence of Mesozoic and tertiary stratum usually have high sediment concentration and large modulus of erosion.