Natural History of Human Teeth 人类牙齿的自然演变
human teeth color 人体牙齿颜色
modern human teeth 现代人类牙齿
human teeth development 人牙齿发育
colorimetry of human teeth 人牙体色度
human fossil teeth 人牙化石
In addition to value, hue and chroma, there are many subtle secondary optical properties of natural human tooth, such as translucency, opacity, iridescence, surface gloss and fluorescence. Translucency has been viewed as the most importance of these secondary properties.
天然牙的视觉外观除了颜色的三要素色相、明度、饱和度以外，还有许多第二光学特征：半透性、浑浊度、晕色、表面光泽度、荧光性，其中以半透性最为重要。
参考来源 - 天然牙和牙科陶瓷半透性的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The biological anthropologist Christy Turner is an expert in the analysis of changing physical characteristics in human teeth.
生物人类学家克里斯蒂·特纳是分析人类牙齿的物理特性变化的专家。
Human teeth are almost as hard as rocks.
人的牙齿几乎和石头一样硬。
All works are handmade in Melbourne, with sterling silver, human hair and human teeth.
所有的作品都以纯银、人的头发和牙齿在墨尔本手工制作而成。
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