随着网络社会的到来与电子商务的日趋普及，传统的依赖信物或口令的系统安全性技术已经面临严峻的挑战。
With the advent of the network society and the growing popularity of e-commerce, traditional system security technology which depends on token or password has been facing serious challenges.
在这些文章中，我们强调了比较和对比技术的重要性并提出了最符合系统安全性要求的技术。
In these articles, we have emphasized the importance of comparing and contrasting technologies and coming up with those that best meet system security requirements.
为了提高系统安全性，研究了数据保密技术。
In order to improve the security of system, data security technology is also researched.
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