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动物卫生学
animal hygiene
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放射卫生学
radio hygiene radiohygiene radiologic health
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辐射卫生学
radiation hygiene radio hygiene radiohygiene
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工业卫生学
industrial hygiene industrial hygienics industrial hygienology
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公共卫生学
public health
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航空卫生学
aviation hygiene
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环境卫生学
environmental hygiene sanitary science umwelthygiene
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家畜卫生学
animal hygienics science of animal hygiene
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民航卫生学
civil aviation hygiene
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