此源代码是以txt文本编辑的x3d虚拟场景文件，里面是一个路灯的设计模型，可以供学习者和开发者使用-This source code is a text editor x3d txt file virtual scene, which is a street design model, you can use for learners and developers

VRML 文件以.wrl 为后缀，它是一种文本格式的文件。可以用文本编辑器（如Windows 的notepad）打开编辑。内含有几个基本的wrl程序-VRML files. Wrl suffix, it is a text file format. Editing can be opened with a text editor (such as Windows notepad). Contains several basic wrl

网格是文本文件编辑器周围的电子表格UI包装器。网格上的操作将自动转换为Javascr ipt代码中的更改。(Specifically, Mesh is a spreadsheet UI wrapper around a text file editor. Actions on the grid are automatically translated to changes in the Javascr ipt code.)