The first is the assumption that kids don't see racial difference until we show it to them.
第一个是，在我们给孩子们指出人种间的差异之前，假设认为他们并不知道。
Traditional one-liners on racial difference, gender difference and mothers-in-law were out, to be replaced by more nuanced observation or rant.
关于种族差别、性别差别以及婆婆等传统小笑话已经过了时，取代它们的是更加细腻的评论或者说谩骂。
Conclusion There are 2 gingival morphological types of maxillary anterior tooth segment in Han Chinese. There is racial difference on gingival morphological characteristics.
结论：在中国汉族人群中上前牙牙龈形态有2种类型，牙龈形态特征存在种族差异。
This paper illustrated the characters about root canal morphology of mandibular premolars, including the formation, configurations, racial difference, classification and methods for study.
本文简要介绍下颌前磨牙多种解剖结构的形成、形态特点、人种差异、分型和研究方法。
This paper illustrated the characters about root canal morphology of mandibular premolars, including the formation, configurations, racial difference, classification and methods for study.
本文简要介绍下颌前磨牙多种解剖结构的形成、形态特点、人种差异、分型和研究方法。
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