About 300 million years ago, this was a Marine salt layer.

约三亿年前，这种盐层曾是海洋。

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Safety operative technology to prevent choke in the salt layer.

预防盐膏层阻卡的安全操作技术。

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This way, the single-celled cleaning crew can destroy the salt layer with no moisture penetrating the murals.

这样，这些单层细胞清洁队员可以在不使水汽进入油画的前提下除去盐层。

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Think of the salt layer as one of those glass blocks used to build bathroom walls.

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With the right algorithms backed by enough computing power, the salt layer can be transformed from a blinder into a lens.

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Sprinkle each slice with salt and layer on a plate.

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