它们的工作原理要么是含有能吸收紫外线的化学物质，要么是使紫外线折射或色散，避开你的身体。

They work by either chemically absorbing UV rays or deflecting and bouncing them off your body.

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钻石是唯一一种集最高硬度，强折射率和高色散于一体的宝石品种，任何其它宝石品种都是不可比拟的。

Diamond is the only one of the highest hardness sets, strong index of refraction and in the integration of high-dispersive gemstone varieties, are unparalleled in any other gem varieties.

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高折射率高色散光学玻璃在目前小型化和数字化的光学设计中的用途越来越广。

Optical glass with high refractive index and high dispersion are used more and more as optical design trend to miniaturization and digital.

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