说明：  这是一篇关于如何快速读取和显示海量STL文件的文章，STL文件包括ascii和二进制两种存储方式。文章使用文件内存映射的方法快速读取数据，大大提高了读取数据的时间。对于编写三维建模软件的朋友很有帮助。
(This is a quick read on how to document and display the article mass STL, STL ascii and binary files, including two storage methods. Article uses the file memory mapping method is fast to read data, greatly increased the time to read the data. Three-dimensional modeling software for the preparation of helpful friends.)