形状保持性是所有聚合物材料制品共有的因素。
Shape retention is a factor in almost all articles made from polymeric materials.
本发明提供一种不降低外胎面轮胎的均匀性、且轮胎的形状保持性 和带束层的耐久性提高的充气轮胎。
To provide a pneumatic tire in which a shape retention property of tires and the durability of belt layers are improved without reducing the uniformity of tread rubber.
这一类细分模式在满足极限曲线的光滑性外，还具有保持初始多边形形状的优良性质。
The new four kinds of subdivision schemes is not only to keep smooth of limit curve, but also has excellent quality of keeping shape of initial polygon.
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