海退旋回 meaning in English

regressive cycle

In the early sinian , clastic sediments formed by fluvial and continental glacial actions were developed , while in the late sinian , great thickness of marine carbonate rocks formed by two transgression - regression cycles were developed
早震旦世发育由河流作用与陆地冰川作用形成的陆源碎屑沉积；晚震旦世则发育由两次台地盆地台地的海进海退旋回形成的巨厚海相碳酸盐沉积。