Among them, about 270 000 people continue to live in areas classified by Soviet authorities as strictly controlled zones (SCZs), where radioactive caesium contamination exceeds 555 kBq/m2.
在这些人当中，大约有270,000人仍然生活在被苏联当局定为严格控制区(SCZs)的地区，那里铯的污染超过555 kBq/m2。
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