沉淀物的性质由这些过程所决定。
The properties of precipitate is determined by these processes.
化石是在50英尺深的石灰岩层里，它形成在大约百万年前由于海水泥沙沉淀物的堆积硬化。
The fossils were found in a seam of limestone that was 50 feet thick and was created when ocean sediments solidified millions of years ago.
在垃圾处理的过程中应该尽量避免打搅到动植物的天然栖息地，避免产生沉淀物的污染，最小化对水流与天然栖息地的污染。
Landfill should be avoided to minimise disturbance of habitat, sediment pollution, alteration to stream flow dynamics and effect on habitat.
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