Unfortunately such shifts have caused teaching merely to be academic based on formulas, and painting by Numbers.

不幸的是这样的变化导致教学仅仅存在与学术公式及数据描绘的基础上。

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Under the microscope: Historians in Italy have discovered that by magnifying the eyes of the Mona Lisa painting tiny Numbers and letters can be seen.

显微镜下：意大利的历史学家们发现通过放大蒙娜丽莎的双眼，可以看到绘上的小型字母和数字。

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