Rhythmicility or periodicity of the depositional strata is influenced by the fluctuation of sea-level to a certain extent, but it must be the response of depositional course to the structural activity in extensive significance.

• 研究表明，沉积岩层的韵律性或旋回性特征在一定程度上受海（湖）平面变化影响，但从更加广泛的意义上来看，应是沉积过程对于区域地质背景波动的响应，其主控因素是构造波动。