The difference in the distribution of defects between synthetic mica and natural mica was investigated.

探讨了合成云母与天然云母中缺陷分布的差别。

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This is composed of natural stone grains with an admixture of mica, which causes the facade to sparkle slightly in the sun, a valuable visual effect.

这是天然石颗粒组成的一种外加剂的云母，它所产生的正面近两年有轻微的太阳，一个有价值的视觉效果。

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