Skull: Viewed from the front and in profile little rounded. Frontal furrow hardly marked.

头骨：自前方和侧面看略圆。前额纹路几乎看不见。

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Almost all the female models in these works appear in frontal images or half profile, sitting quietly in a certain place in the painting.

这次作品中的女子模特几乎都是以正面或是半侧面，端座一处的形象被呈现在画面之上。

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The effect of the initiator concentration on the speed and temperature profile of frontal polymerization was investigated.

研究了引发剂浓度对前端速度和温度分布的影响。

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