在正常的水相中，残留的磷会自己移动，沉淀到海洋底部，并混合到海洋沉积物中。
In the normal water phase, the remaining Phosphorus makes its way, settles to the bottom of the ocean, and gets mixed into ocean sediments.
沉积物岩心主要记录的是沉淀在海底沉积物，一层又一层，记录它们沉淀时的海洋系统状况。
Sediment cores are essentially a record of sediments that settled at the sea floor, layer by layer, and they record the conditions of the ocean system during the time they settled.
净化过程中沉淀下来的沉积物可以用作肥料。
The sediment which settles down in the purifying process is used as fertilizer.
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