In the worst - case scenario, UV light mutates DNA, leading to premature aging or skin cancer.在最差的情况下, 紫外线能使DNA发生突变, 于是导致提前老化或皮肤癌.Its capacity to fuse Ehrlich's ascites cells remained at 100 % through 2 min. of UV.其...
Want to use auxiliary illuminant to build atmosphere additionally.另外要利用辅助光源营造气氛.High illuminant efficiency, long life.发光效率高, 耗电少,寿命持久.Above all method is compensatory and artificial illuminant.首先的办法是补充人工光源....