The comparative analysis in this paper is backed up by the following understandings concerning precaution and the effectiveness of precaution: 1 precaution is different from precautionary principle.
文中比较分析的构建以对风险预防和风险预防有效性的如下理解为基础：1风险预防不同于风险预防原则。
The category of the security of information system is classified. With each kind of attack principle analysed, the precaution measures and the solutions are brought up.
对信息系统安全种类进行了划分，对各种攻击原理进行了分析并提出了防范措施和解决方案。
The purpose, principle, process and precaution of sulfuration of BASF catalyst is briefly described in this paper.
简要介绍了BASF催化剂硫化的目的、原理、工艺过程和注意事项。
Article 3 the communication network security protection shall follow the principle of "active defense, comprehensive precaution and classified protection".
第三条通信网络安全防护工作坚持积极防御、综合防范、分级保护的原则。
Article 3 the communication network security protection shall follow the principle of "active defense, comprehensive precaution and classified protection".
第三条通信网络安全防护工作坚持积极防御、综合防范、分级保护的原则。
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