They should block 99-100% of the UVA and UVB radiation.
太阳镜应该阻挡99- 100%的紫外线或的辐射。
There were interspecific and intraspecific variation in sensitivity to UVB radiation.
植物种间、种内都存在UVB敏感性差异。
Used properly, sunscreens with an SPF of 8 or higher completely block UVB radiation and prevent synthesis of vitamin d.
使用得当的防晒系数为8或更高的防晒霜在完全阻挡紫外线辐射的同时也阻止了维生素d的合成。
UVB radiation typically affects the outer layer of skin, the epidermis, and is the primary agent responsible for sunburn.
紫外线照射通常都会对最外层的肌肤(表皮)产生影响，而表皮往往就是最先会被晒伤的部位。
Sunscreens do block the UVB radiation that causes sunburn, and more recent formulas also block the UVA radiation that causes wrinkles and aging.
防晒霜可以阻止导致晒伤的短波紫外线，更新的一些配方还可以阻止导致皱纹和老化的长波紫外线。
The conclusion is that UVB radiation may induce significant DNA damage at the early stage embryos of zebrafish. The damage significantly related to exposure time and irradiation intensities.
结论认为，UVB照射对斑马鱼早期胚胎发育有明显影响，不同的照射强度和时间造成的影响差异显著；
The conclusion is that UVB radiation may induce significant DNA damage at the early stage embryos of zebrafish. The damage significantly related to exposure time and irradiation intensities.
结论认为，UVB照射对斑马鱼早期胚胎发育有明显影响，不同的照射强度和时间造成的影响差异显著；
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