单词progradation
n.: 推进
网络: 前积;进积;进积作用
推进
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。
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。