However, this encryption method can not cross the application system to achieve access control of sensitive data.
但是这种加密方式不能越过应用系统，实现应用系统用户对敏感数据的访问控制。
To control the disease within cross-infection and spread, plays a very important role.
对控制内交叉感染，预防疾病传播，有着十分重要的作用。
Objective to investigate the ICU cross - in hospital so as to prevent and control it.
目的有效地预防和控制重症监护病房院内感染的发生。
Objective to investigate the ICU cross - in hospital so as to prevent and control it.
目的有效地预防和控制重症监护病房院内感染的发生。
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