白德瑞：《爪牙：清代县衙之书吏及差役》，斯坦福大学出版社，2000年。

Reed, Bradly W. Talons and Teeth: County Clerks and Runners in the Qing Dynasty. Stanford: Stanford University Press, 2000.

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平遥古城历尽沧桑、几经变迁，成为国内现存最完整的一座明清时期中国古代县城的原型。

Pingyao, which has experienced many changes, now becomes the most complete ancient town of Ming and Qing dynasty.

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介绍了代县碾子沟矿区金红石矿产的地质特征，就代县碾子沟矿区金红石矿的成矿原因进行了分析。

Introduce the geological features of rutile mineral in Nianzigou, Dai county, and analyze the reason of the rutile's formation in this mining area.

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