英语语法分析

The result shows that sediment filling history of Biyang fault depression can be classified into initial rift, main rift and downwarp filling stages which have in turn formed three tectonic sequences.

结果表明，泌阳断陷湖盆沉积充填史划分为三个阶段：初始断陷充填阶段、主断陷充填阶段及坳陷充填阶段，并分别对应着三个构造层序。