不列颠哥伦比亚地区在雨水中监测到低于导致甲状腺疾病当量百万分之一的辐射量。
Radiation in rainwater in British Columbia was less than one millionth the amount shown to cause thyroid diseases.
不列颠哥伦比亚地区在雨水中监测到低于导致甲状腺疾病当量百万分之一的辐射量。
Radiation in rainwater in British Columbia was less than one millionth the amount shown to cause thyroid diseases.
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