Since the releas of iPhone by Apple Inc. in June 2007, the new generation smart phones have kept a rapid growth rate.
自苹果公司于2007年6月发布iPhone手机以来,新一代智能手机以惊人的速度爆发和增长。
During 8 weeks of degradation in vitro, and the mass loss ratio was about 15.6%, the accumulative releas rate of hydroxyproline is 62.8%.
在8周的考察期内,支架质量损失了15.6%,羟脯氨酸的累计释放率为62.8%。
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