1. They are respectively turbidity fan, brackish lake, shore and shallow lake-beach, delta, alluvial fan and river-
alluviation depositional systems.
指出沙二段发育洼槽带扇三角洲和半咸水湖体系、缓坡辫状三角洲体系和冲积扇体系；
2. The Paleogene clastic reservoirs in the southern west sag, Dongpu depression are formed by proximal
alluviation in terrigenous faulted
东濮凹陷西洼南段下第三系碎屑岩储层属陆相断陷湖盆近源冲积成因，具有成分成熟度较低、分选性较差的特点。
3. Appropriate basically distributings first-classly n cultivated land in altitude Campagna mixes 300 meters of the following river valley
alluviation near the village.
宜耕一等地主要分布在海拔300米以下的河谷冲积平原和村庄四周。
