The paper reviews the stream pollution problem caused by sediments at home and abroad, and summarizes the research progress in this field.

对目前国内外泥沙引起的河流污染问题进行了概述，并总结了国内外在此领域研究的进展。

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We are taking steps to prevent stream and air pollution.

我们正采取措施防止河流和空气污染。

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Landfill should be avoided to minimise disturbance of habitat, sediment pollution, alteration to stream flow dynamics and effect on habitat.

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。

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Putting the bakery goods and coffee grounds through a biorefining process would also have the added benefit of keeping a lot of waste out of the waste stream while also reducing pollution from incineration.

FORBES: Starbucks To Turn Stale Pastries Into Plastic?