1. Eustatic change is pertaining to worldwide changes of sea level that affect all the oceans.
   全球排名性水面上下發生改變說的是所有海洋環境的當今世界海平面設計的發生改變。
2. Eustatic cycle is the interval of time during which a eustatic rise and fall of sea level takes place.
   全世界性海平面設計升降架周期段是再次發生一個海平面設計升和降的周期隔斷。