Last Updated:2025/11/21

In the early nineteenth century, polytechnics encompassed both theoretical study and hands-on training in tools and machines.

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In the early nineteenth century, polytechnics encompassed both theoretical study and hands-on training in tools and machines.

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19世紀初頭、機械工学は理論的な研究と工具や機械に関する実践的な訓練の両方を含んでいました。

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