工业企业改造的复杂CAD系统中的信息保护
Protection of the information in a complex CAD system of renovation of industrial firms
摘要：
本文讨论了CAD用户的非自愿操作对信息安全的威胁，以及在企业改造的复杂CAD系统中实施的保护方法：回滚、自动保存、自动备份复制和电子下标。复杂CAD的特殊性反映在其零件的绘图和参数化表示的回滚和自动保存的必要性上，这是CAD面向问题的扩展的信息模型
英文摘要：
The threats to security of the information originating owing to involuntary operations of the users of a CAD, and methods of its protection implemented in a complex CAD system of renovation of firms are considered: rollback, autosave, automatic backup copying and electronic subscript. The specificity of a complex CAD is reflected in necessity of rollback and autosave both of the draw and the parametric representations of its parts, which are the information models of the problem-oriented extensions of the CAD
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
