We all have similar skin, hair and eye coloring as well as similar facial structure, so it's hard to see the difference.

我们肤色长得差不多，头发和眼睛的颜色也很相似，甚至是面部结构也差不多。所以想找出区别还是有点难的。

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Would make experiments about who are they and how their bodies change to the past of the time, will know about the facial features and difference kind of faces and bodies.

幼儿将进行体验活动，关于他们是谁，从以前到现在到以后，他们的身体有什么改变，脸蛋和身体的不同之处和差异。

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Objective: To study the difference of upper airway form and hyoid position of the children with different vertical facial types in mixed dentition.

目的：比较替牙期不同垂直骨面型儿童上气道形态和舌骨位置的差异，为临床诊疗和颅面部生长发育的研究提供一定的参考依据。

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