一个关于文件操作，还有菜单模拟的C语言程序。-a document on the operation, the menu also simulated C Programming Language.

演示了在菜单下运行和草图相关的操作：创建草图、初始化草图、添加尺寸约束和几何约束等。-Operations related to the run menu and sketches: Create sketches, initialization sketch, add size constraints and geometric constraints.

摘要:网页素材,菜单导航,绿色菜单,二级菜单 绿色风格的网站二级菜单代码，上下两行显示，上边显示一级主菜单，下边则是对应一级菜单的二级分类菜单，是网站上经典的一种菜单布局风格，因此使用范围广，适合访客的操作习惯。绿色调显示得很清新，适用于环保类企业网站使用。-He s a geek, startup investor, former software developer & entrepreneur, occasional tech blogger and internet marketin