Answer: The findings suggest that some foods produced in Japan are likely to be contaminated by radioactive material at levels unsuitable for human consumption.

答：调查结果表明，日本生产的某些食品有可能因受到放射性物质的污染而不适于人类消费。

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As these products move along the supply chain from the farm to the table, they can be contaminated by pathogens such as salmonella, e. coli, and hepatitis a virus.

这些产品在从农场到餐桌这一供应链的转运过程中，可能会受到诸如沙门氏菌、大肠杆菌和甲肝病毒等病原体的污染。

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According to the problem that the signal in the communication system is easy to be contaminated by the noise around, a new strong anti-jamming wireless communication based on DSP has been developed.

针对通信系统中信号容易被周围噪声污染的问题，提出了一种基于DSP强抗干扰无线通信。

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At least 200 others have contracted the disease, which is caused by contaminated food or water and can be fatal if not treated.

VOA: standard.2009.09.14

Will Bristol's beaches and rivers be contaminated by the 75, 000 litres of chemicals left in the wastewater per fracking operation?

BBC: Keynsham residents against natural gas extraction plans

In recent years, some reports have suggested that tap water could be contaminated by trace amounts of pharmaceuticals or other substances.

CNN: Is your bottled water safe?

But on Tuesday, India joined the frey and banned food imports over fears they may be contaminated by radiation from tsunami-hit reactors.

FORBES: On Japan: Russia Sends Help, China Finds Radiation and India Bans Rice