全球性海面升降周期是发生一次海平面升和降的时间间隔。

Eustatic cycle is the interval of time during which a eustatic rise and fall of sea level takes place.

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全球性海面升降周期是发生一次海平面升和降的时间间隔。

Eustatic cycle is the interval of time during which a eustatic rise and fall of sea level takes place.

youdao