然后把隐患指标和风险指标结合起来考虑，运用模糊综合评价方法，设计出一种科学、实用的动态综合评价狭水道内船舶操纵安全的方法。
To combine the hidden danger indices and the risk indices, a scientific and practical dynamic method of safety assessment of ship manoeuvring is established using fuzzy.
介绍桶装水制作过程中浪费大量自来水，在生产、流动、使用环节上存在的隐患， 桶装水对人体健康的影响和值得商榷的电导率指标等。
The waste of much tap water in preparing barrelled water, hidden danger of pollution in the preparation, transportation and utilization, its influence on human health, etc. are stated.
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