Earth's ozone layer protects life by absorbing ultraviolet light, which damages DNA in plants and animals (including humans) and leads to skin cancer.
太阳光中的紫外线会损伤动植物(包括人类)的DNA和引起皮肤癌，而臭氧层的功能就是阻挡住这些有害的紫外线从而保护地球上的生命。
The temperature distribution from absorbing light is the solution of the equation. Treatment of thermally thin layer and thermally thick lager from photothermal signal is discussed.
由于光吸收而产生的温度分布就是该方程的解，并对由光热信号所产生的热薄层和热厚层进行了讨论。
It is showed in the test result that polyurethane foam heat-insulation layer has advantages such as weight light, strength high, absorbing water rate low and high heat -insulation effect and so on.
测试结果表明，聚氨酯泡沫保温层具有重量轻、强度高、吸水率低、保温效果好、离火自熄等特点；
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