That dose is about 10,000 times that typical exposure rate for the U.S., but it is applied to the cancerous tissue; the total-body exposure during radiation therapy is much less.

治疗中所接触到得辐射量是在美国通常接触到辐射量的10000倍，但是它仅适用于癌组织；在放射性治疗中全身接触的辐射量相对来说是非常少的。

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That dose is about 10, 000 times that typical exposure rate for the U.S., but it is applied to the cancerous tissue; the total-body exposure during radiation therapy is much less.

治疗中所接触到得辐射量是在美国通常接触到辐射量的10000倍，但是它仅适用于癌组织；在放射性治疗中全身接触的辐射量相对来说是非常少的。

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This paper evaluates the airborne radioactive concentration, dose-rate of internal and external exposure as well as purification mode and operating time of ventilation systems in reactor building.

本文对燃料破损可能导致的气载放射性浓度、场所内、外照射剂量率进行了估算，同时对通风系统的净化方式、净化时间进行了评估。

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