在开展上海岩石地层清理工作中，对以往留存地层断代疑点的地层补做了采样、分析鉴定工作。

While checking up Shanghai litho - stratigraphic documents, additional sampling, analyzing and identifying work have been done for former doubtful points of stratum dating.

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这里分析了清代各个时期龙袍上龙纹眉眼的时代特征，以作为龙袍和龙纹断代的一个指标。

This paper analyses temporal characters of different periods of Qing Dynasty, making these characters an indicator dividing the history of dragon robes and motifs into periods.

youdao

这里分析了清代各个时期龙袍上龙纹眉眼的时代特征，以作为龙袍和龙纹断代的一个指标。

This paper analyses temporal characters of different periods of Qing Dynasty, making these characters an indicator dividing the history of dragon robes and motifs into periods.

youdao