注意成分表中是否含有氧化锌或二氧化钛，这两者都能阻挡紫外线A和B。

Check the ingredient list for zinc oxide or titanium dioxide; both physically block UVA and UVB rays.

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由表可知，等离子灯与其它电光源相比，其可见光比例最高，达到73％，而等离子灯的红外线和紫外线输出比例最低。

The table shows us that the plasma lamp owns the biggest ratio of visible light that reaches 73% and the lowest ratio of ultraviolet and infrared that only be to 27%.

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