罔4．湖滩沉积的宴测剖面，具前积结构，（榆林安崖）
Fig. 4 Lake beach deposits with progradational configuration, Anya, Yulin.
河湖滩地减少主要是变为内陆水体，再是转变成水浇地。
The natural environmental factors were stable, and were less important to the change of land cover.
目的进一步了解湖滩地区日本血吸虫病的流行程度及特征。
Objective For further understanding epidemiologic features and degree of schistosomiasis japonica in the lake region.
主要沉积类型有：湖滩沉积、浅水沉积、静水沉积和冰川三角洲沉积。
The various types of glaciolacustrine deposits are as follow: beach deposits, shallow-water deposits, still-water deposits and glacio-fluvial delta deposits.
滨岸坝、湖滩砂仍属湖泊三角洲沉积，它丰富了湖成三角洲沉积相类型。
The shoreland bar and beach sand are classified into lacustrine delta deposition and they can be added to the types of lacustrine delta sedimentary facies.
合川地区须二段处于滨浅湖亚相环境，滨浅湖滩坝砂体是该区主要的储集砂体。
The sedimentary environment of the 2nd member of the Xujiahe Fomation is shore-shallow lacustrine. The reservoir sand is beach bar.
合川地区须二段处于滨浅湖亚相环境，滨浅湖滩坝砂体是该区主要的储集砂体。
The sedimentary environment of the 2nd member of the Xujiahe Fomation is shore-shallow lacustrine. The reservoir sand is beach bar.
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