文章介绍了潜在照射的主要来源及危害。
This paper introduces the sources and harms of potential exposure when radioactive sources are used.
医用辐射防护涵盖职业照射、医疗照射和公众照射的防护，同时也存在潜在照射防护问题。
Radiological protection in medical uses of ionizing radiation covers radiological protection for occupational exposures, medical exposures and public exposures and potential exposures as well.
“自由基(比如由阳光照射而形成的粒子)会损害皮肤细胞膜，更会对细胞DNA构成潜在的威胁。”Heller说。
"Free radicals — like the kind formed from sun exposure — damage the membrane of skin cells, potentially allowing damage to the DNA of that cell," says Heller.
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