oblique progradational pattern 偏斜外伸模式
progradational S 形低能延伸的
progradational reflection configuration 外伸反射型态
progradational parasequence set 层序组
sigmoid-progradational 形低能延伸的
progradational surface 最大进积面
Fig. 4 Lake beach deposits with progradational configuration, Anya, Yulin.
罔4．湖滩沉积的宴测剖面，具前积结构，（榆林安崖）
Progradational reflection configuration is a very significant reflection phenomenon in seismic section.
前积反射结构是地震剖面上的一种很重要的反射现象。
The predicted Cangxi reef and shoal facies show the characteristics of typical progradational sequence stratigraphy with reliable push-down.
预测的苍溪礁滩相具有典型的进积型层序地层特征，在地震剖面上并且具有可靠的波组下拉现象。
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