为解决上述问题，本文提出随机参数扰动加解密算法。
To solve those problems, this paper introduced appropriate perturbation algorithm by randomly changing the chaotic initial.
为解决上述问题，我们可以采用数据库加密的方式来保护数据。
To solve these problems mentioned above, we can protect data by database encrypting.
为解决上述问题，本文设计并实现了一个VRML场景的交互浏览系统。
We designed and implemented a system for users' interaction and browsing in VRML scenes.
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