本发明公开了一种可重复使用假名的普适计算隐私保护方法，属于信息安全领域中的隐私保护方法。
The invention discloses a universal calculation secret protection method capable of repeatedly using assumed names, which belongs to a secret protection method in the filed of information security.
本发明公开了一种散煤运输封尘剂及其使用方法，属于防尘技术领域。
The invention discloses bulk coal transportation dust covering agent and the usage, which belongs to the dust preventing technology field.
本实用新型公开了一种手机架，属于使用手机的工具。
The utility model discloses a mobile telephone rack and pertains to a tool for mobile phone application.
本实用新型公开了一种手机架，属于使用手机的工具。
The utility model discloses a mobile telephone rack and pertains to a tool for mobile phone application.
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