Yu is influenced from folk prints and ceramic paintings but forms his own style stressing light and colour.
余受民间绘画和陶器彩绘的影响，在自己的作品中强调光线和色彩，形成自己独特的绘画风格。
Methods To evaluate the clinical effects of 45 all ceramic crowns and Bridges of the anterior teeth on fitness, colour, shape and strengh.
方法用美国公共健康协会的修正标准对45颗全瓷冠桥进行观察评价。
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