求翻译：铁路工程实际工作中经常需要手工绘制大量图形，很多图形式单一，手工绘制过程重复繁琐，效率低下，借助AutoCAD平台的VBA二次开发组件，开发一个辅助成图系统应用于工程实践，这具有极强的现实意义。是什么意思？

The actual working of the railway projects often need to manually draw a lot of graphics, a lot of graphical single, hand-drawn process is repeated cumbersome, inefficient, vba autocad-platform, the secondary development of components to develop an auxiliary mapping system used in engineering practi

Railway Engineering in the actual work often need to be hand-drawn graphics-intensive, and many figure form a single, hand-drawn process cumbersome, inefficient duplication, with 2 VBA AutoCAD platform development component, the development of an auxiliary to the system used in engineering practice,

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Railway engineering works often hand made and painted in a large number of graphics, many forms of a single, hand-drawn repeated the process cumbersome, inefficient, with the help of AutoCAD VBA second development components of the platform, development of an auxiliary mapping system applied to engi

正在翻译，请等待...