Examples range from contamination of the food or water supply, to high levels of air or noise pollution, a chemical accident, a disease outbreak or a natural disaster.

这方面例子的范围包括从食物或水供应的污染，到空气或噪音高度污染、化学事故、疾病暴发或自然灾害。

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In their report, published today in the Journal of Experimental Biology, the researchers warn that noise pollution-as well as chemical pollution-could deafen whales.

这项研究报告发布在今天的生物实验杂志上，研究者警告说，噪音的污染可导致鲸鱼失聪，这和化学污染一样的可怕。

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The response of calcium bursting oscillation to internal noise is studied by solving mesoscopic chemical Langevin equations.

采用介观的化学朗之万方程研究了内噪音对于钙离子阵发振荡行为的影响。

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Switzer says that the industrial nature of gas drilling, with heavy truck traffic and noise, and occasional wastewater and chemical spills,has transformed their peaceful country life.

VOA: standard.2010.01.02