工业噪声对工人的身心健康危害极大，甚至会导致工伤事故率的增高。
The harm of industrial noise to human health of workers is extreme big, so far as to cause the increase of industrial accident rate.
浮动费率根据用人单位工伤保险费使用、工伤事故发生率等情况确定。
The floating rate shall be determined according to the employer-unit's use of the industrial injury insurance premium and the rate of the occurrence of industrial injury.
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