The safety exposure limits proposed by scholars at home and abroad were introduced in this review. Standards for safety exposure limits to constant magnetic field need to be considered and set.

介绍了国内外学者提出的恒定磁场暴露的安全限量，认为有必要制订相关的暴露限量标准。

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It is a moot point but there is an argument in health and safety law that failing to cancel the match carries an exposure to risk and is a breach of the law.

这是一个没有定论的问题，在健康与安全法中也有这样一个争论，无力取消比赛将会使危险暴露出来，而且，这也违反了法律。

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AOL News asked the occupational Safety and Health Administration if it had plans to control this occupational exposure but received no reply.

AOL新闻询问了职业安全与健康署(the Occupational Safety and Health Administration)是否有计划控制这种职业性的(有毒化学物)暴露，但没有得到答复。

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The Federal Communications Commission's safety guidelines for radiofrequency exposure do not differentiate healthy individuals from children or those with brain disorders.

CNN: Cell phone exposure increases brain cell activity

Companies such as MEMC Electronic materials, which gained 8.4% in the aforementioned rally, benefit from the diversification and safety they can derive from exposure to these two industries.

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In fact, most of the highly precautionary laws and regulations currently on the books include some form of risk assessment that error on the side of caution, building in a host of safety factors that substantially overestimate exposure to justify regulatory actions that may not be necessary.

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