Highstand system tracts are characterized by acceleration progradation sedimentation.
高位体系域表现为加积—进积沉积特征。
Longitudinal delta is developed in the north, fan-delta in the east, and slope progradation complex in the west.
该区北部形成纵向三角洲，东部形成扇三角洲，西部形成斜坡前积复合体。
With rise of base level, sediments showed retrogradation features, in contrast, with drop of base level, sediments had progradation.
随着基准面的下降，沉积物总体呈进积特征。
The controlling factors for the development of gravity-flow deposits on prodelta slope are deltaic progradation and the double-layer structure of the slope.
前三角洲斜坡发育重力流的主要控制因素是三角洲的快速进积作用和前三角洲斜坡自身存在的二元结构。
The results show that the coastal line progradation and erosion are proceeding simultaneously, and generally the formed land area in the delta is decreasing.
结果表明，黄河三角洲在整体淤进的同时伴随着蚀退，三角洲的造陆面积呈逐渐减小的趋势。
The results show that the coastal line progradation and erosion are proceeding simultaneously, and generally the formed land area in the delta is decreasing.
结果表明，黄河三角洲在整体淤进的同时伴随着蚀退，三角洲的造陆面积呈逐渐减小的趋势。
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