For present, frequency of allelic gene of HLA can be judged by calculating the relative hazard factor.
目前可通过计算相对危险因子来判断HLA等位基因的频率。
Method The occupational hygienic survey and hazard factor monitoring were done in the workplaces of 300MW coal power generator set.
方法对该电厂300MW燃煤发电机组进行职业病危害因素监测和职业卫生学调查。
The risk assessment method of typhoon disasters was proposed according to the nature disaster system theory and considering the characteristics of hazard factor and bearing body.
依据自然灾害系统理论，综合考虑致灾因子和承灾体特征，提出台风灾害风险评价方法。
The risk assessment method of typhoon disasters was proposed according to the nature disaster system theory and considering the characteristics of hazard factor and bearing body.
依据自然灾害系统理论，综合考虑致灾因子和承灾体特征，提出台风灾害风险评价方法。
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