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异常照射：当辐射源失去控制时，工作人员所接受的可能超过为他们所规定的正常情况下的剂量当量限值的照射。异常照射可以是事故性的，也可以是应急性的。异常照射...
Abnormal exposure: When radiation sources become uncontrolled, staff members may receive exposure that exceeds the normal dose-equivalent limit set by them. Abnormal exposure can be accidental, it can be emergency. Abnormal irradiation ...