Because glass substrates can sustain high toughness and strengh even when they are extremely thin there has been uprated to match the hard-disk technology development.
并且玻璃盘基在很薄的情况下依然能保持较好的刚度和硬度，更符合硬盘技术的发展趋势。
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。
The result showed the molecular weight of modified POM were kept well, which leaded higher impact strengh and elongation at break than pure POM.
结果表明，改性聚甲醛的分子量得到了较好的保持，抗冲击韧性及断裂伸长率均明显优于未改性聚甲醛。
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