The nanometer composite material has outstanding thermal stability, good optical transparency and chemical corrosion resistance, and less formaldehyde residual quantity.

该纳米复合材料具有优异的热稳定性、良好的 光学透明性和耐化学腐蚀性以及较低的甲醛残留量。

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They are chemically the purest of all diamond crystals and often have extraordinary optical transparency.

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These types of diamonds are the most chemically pure, lacking in nitrogen which therefore yield exceptional optical transparency.

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An optical laser reads the transparency and creates a wobbly, out-of-tune, almost eerie-sounding keyboard effect.

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