Radiation doses are regulated by the FDA and are fairly low-equivalent to the amount the average person receives from naturally occurring sources over 3 months.
美国FDA规定的辐射量是相当低的，相当于平均每人从天然资源中吸收三个月以上的辐射量。
Each procedure has a strictly regulated, by the person responsible, the guarantee will minimize the probability of error, to provide satisfactory services.
每一个操作步骤都有严格的规范，由专人负责，保证将差错的概率降到最低，提供满意服务。
Each procedure has a strictly regulated, by the person responsible, the guarantee will minimize the probability of error, to provide satisfactory services.
每一个操作步骤都有严格的规范，由专人负责，保证将差错的概率降到最低，提供满意服务。
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