I go to low - lying coastal areas for the study of hypsography.

我为研究地势去低洼海岸线地区。

youdao

The mountainous area accounts for 94% in Yaan. There is a great difference in the height of hypsography, and stream is rapid, and the tectonics cross the west geosyncline and east platform.

雅安山地面积占94%，地势高低悬殊大，河流深切，水流湍急，大地构造位置跨西部地槽，东部地台。

youdao

The mountainous area accounts for 94% in Yaan. There is a great difference in the height of hypsography, and stream is rapid, and the tectonics cross the west geosyncline and east platform.

雅安山地面积占94%，地势高低悬殊大，河流深切，水流湍急，大地构造位置跨西部地槽，东部地台。

youdao