source of contamination的意思|示意

The bean sprout crop that was the source of the outbreak requires a warm and humid environment to grow, which increases the risk of contamination by E. coli and other disease-causing bacteria.

豆芽菜的生长需要温暖潮湿的环境，这正好也适应大肠杆菌的生长，增加了被污染的风险。

Ideally this should be spread on land as an organic fertiliser and soil conditioner, however great care will be required to ensure that this does not become a further source of soil contamination.

从理想上来说，这些污泥应该传布在土壤中成为有机肥和土壤调节剂，然而，还必须非常谨慎而不至于成为污染土壤的根源。

On the one hand, living bacteria or parts of the biofilm compound keep on detaching again and again and thus present a microbiological source of contamination for other parts of the system.

一方面，活菌或生物膜化合物的一部分保持反复依附，因而成为系统中其它部分污染的微生物来源。

Identifying the species of mineral oil in water and measuring its concentration are needed to determine the contamination oil source and evaluating pollution fast and correctly.

快速准确地测定水中矿物油的种类及含量，正确判断油污染的性质和来源，对于实施水环境监测管理及污染防治具有重要意义。

Investigations traced the source of all Ebola Reston outbreaks to one export facility near Manila in the Philippines, but the mode of contamination of this facility was not determined.

调查追踪到所有埃博拉·莱斯顿亚型的暴发都源于菲律宾马尼拉附近的一个出口设施，但未能确定这一设施的污染方式。

Nishiyama said the increase was a concern, but also said the area is not a source of seafood and that the contamination posed no immediate threat to human health.

Nishiyama表示辐射量的增加确实令人担忧，但他同时表示这一海域不是海产供应地，所以这里的水污染对人类健康没有即时威胁。