There are three different conceptions about base-level that are baseleveloferosion,...
基准面有三个不同的概念，即侵蚀基准面、沉积基准面和基准面。
2
There are three different conceptions about base-level that are baseleveloferosion, baselevelof deposition and stratigraphic datum, respectively.
基准面有三个不同的概念，即侵蚀基准面、沉积基准面和地层基准面。
3
At this sedimentary period, the water in Lake Basin began to recede fleetly, the baseleveloferosion grew down, the schlep ability of river grew up, and the supply of source was abundant.