With the increasing quality demanding on the concrete appearance in architecture, mirror surface concrete appears.

随着建筑行业对混凝土外观质量要求的不断提高，镜面混凝土应运而生。

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How to design the best support of the mirror to ensure the highest accuracy of the mirror surface, which is very significant for the optical and image system of the astronomical telescope.

如何确定镜子的最佳支撑方式，来保证最优的镜面面形精度，这在天文望远镜的光学成像系统中具有重要的意义。

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France sapphire crystal mirror surface.

法国蓝宝石水晶镜面。

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When a preening guest approaches the mirror, the surface illuminates to reveal tiny, iridescent Botox bottles with preserved narcissus flowers.

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"Imagine that the mirror's surface is made of many smaller mirrors turned to different angles, like a disco ball, " said R.

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And when its aluminium coating is replaced with silver in a year or two's time (a huge vacuum-chamber housed at the telescope's base will be used to deposit metallic vapour on to the mirror's reflecting surface), it will be able to see into the infra-red with equal clarity, opening up a much neglected area of astronomy.

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