Cryptographic technology is applied to information system to ensure its security.
为了保证信息系统的安全性，密码技术被应用于信息系统中。
Beijing Information Technology College has built up its teaching evaluation system in 2006.
北京信息职业技术学院在2006就形成了比较完善的教学评估体系。
Beijing Information Technology College has built up its teaching evaluation system in 2006.
北京信息职业技术学院在2006就形成了比较完善的教学评估体系。
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