摘要:1741年,一个名叫Nicholas André的法国医生出版了一本名为《Orthopaedia》的书,在书中他绘制了一幅图画:一棵枝叶繁茂的小树,树干已经弯曲,树干凹侧竖着一根笔直的木棍,绳子将它们紧紧地捆绑在
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