除了环境因素即不同类型HCV的感染，人群中确实存在着易感性的差异，从而使他们对HCV感染产生不同的效应。
Except for environment factor, the infection of different types of HCV, there exists difference of genetic susceptibility which can lead to various effects in human population.
随着智能手机的日益普及，越来越多的公司开始收集相关数据，对使用不同类型手机或手机操作系统的人群的特点进行归类。
As smart phones make inroads into the cell-phone market, a growing number of companies are collecting data that profiles who USES which type of phone or phone operating system.
结论慢性病患者生命质量较不患病人群低并受多种因素影响，不同类型的慢性病对生命质量均有负面影响。
Conclusion The patients with chronic diseases had pooler QOL than general people and was subject to a number of factors, different types of chronic diseases have negative influences on QOL.
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