The Hou Qi room in 《Xu Han Shu-Lu Li Zhi》and the sound insulation from the urn wall records by Fang Yizhi embody sound insulation technology of the ancient China.

《续汉书·律历志》中的“候气之室”是中国古代高级隔音室，方以智记载的“瓮墙”隔声能满足日常生活的隔声需要，这表明中国古代的隔声技术已达到很高的水平。

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All the above discussion demonstrates that Hou Zhi cared about the popular book market and assumed the role of an instructor of the woman reading public.

凡此皆昭示了侯芝对大众阅读市场的关怀以及面对 大众妇女读者所采取的教导者姿态。

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