Copper ores are generally brightly coloured minerals which would be attractive as applied decoration.

铜矿石是一种通常具有鲜艳颜色的矿物。

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The early humans may have applied the concoction to their skin for protection or simply decoration, experts suggested.

专家们建议，早期的人类可能已经运用这种调和物来保护皮肤或做简单的装饰。

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Because of its economy, beauty, and less dead weight, it is widely applied to large span structures, such as large-scale stadium, exhibition center, works of decoration, and so on.

由于其自重小且经济美观，因此它被广泛地应用于大跨度空间结构中，如：大型运动场馆、会展中心、装饰小品等。

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