全球性旋回沉积是全球海平面变化、全球气候条件、全球构造演化、全球古地理背景及沉积特征综合作用的产物。
Cyclic deposition on a global scale is the product of the changes in sea-level, tectonics, climate, geography and depositional features of the global or the combination of these.
与全球海平面变化相比，下扬子区的海平面升降旋回有所不同，有其特殊性。
Compared with the global change of sea level, the eustatic cycle of Lower Yangtze area is somewhat different because of its particularity.
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