Diagnostic radiography involves the use of both ionising radiation and non-ionising radiation to create images for medical diagnoses.
放射诊断涉及两个电离辐射和非电离辐射，建立医疗诊断图像的使用。
Chemicals that damage DNA, ultraviolet light, ionising radiation and viral infections are all culprits too—and culprits that can often be avoided by thoughtful behaviour.
化学物质对DNA的伤害、紫外线照射、电离辐射和病毒感染都是致癌诱因，而且，只要小心谨慎行事这些因素都能避免。
Chemicals that damage DNA, ultraviolet light, ionising radiation and viral infections are all culprits too—and culprits that can often be avoided by thoughtful behaviour.
化学物质对DNA的伤害、紫外线照射、电离辐射和病毒感染都是致癌诱因，而且，只要小心谨慎行事这些因素都能避免。
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