A few easy-to-implement sun safety measures could prevent much of the cancer and other death and disease burden due to UV radiation, WHO says.
少数容易实施的阳光安全措施可预防许多由紫外线辐射造成的癌症和其它死亡以及疾病负担，世卫组织说。
Safety protection measures of X rays, for individuals and groups without X ray power radiation injury.
安全的X射线防护措施，对个人和群体绝无x射线电力辐射伤害。
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