Study on the ritual civilization of the capital cities of the Pre-Qin and Han dynasties 并列题名：Study on the ritual civilization of the capital cities of the Pre-Qin and Han dynasties Study on the mutual infiltration of practical styles in Han, Wei and Six dynasties Study on the regulation of the capital city in Pre-Qin China 并列题名：Study on the mutual infiltration of practical styles in Han, Wei and Six dynasties 并列题名：Study on the regulation of the capital city in Pre-Qin China Theory of threefold construction of the penal system in the Qin and early Han dynasties