而烂程序员写出来的代码连基本的概念完整性都达不到，更何况没有冗余，拥有明晰的层次结构了，所以这样的代码很难去重构。
Bad programmers write code which lacks conceptual integrity, non-redundancy, hierarchy, and patterns, and so is very difficult to refactor.
所以我想从艺术概念的基本层次入手，清理、概括一下自己的有关想法。
Therefore I want to obtain from the artistic concept basic level, the cleaning up, summarizes own related idea.
探讨了应用封装与集成的基本概念和PD M系统与其他应用系统实现集成的三个应用层次。
Basic concept of application encapsulation and integration has been discussed, as well as three application levels of integration between PDM system and other application systems.
应用推荐