包含26幅电子海图（美国部分水域）000.格式的。使用YimaEncViewer软件可以打开。-Contains 26 electronic chart (part of the waters of the United States) 000. Format. YimaEncViewer software can be used to open.

基于vb.net二次开autocad曲面数控加工简化动态模拟能生成曲面数控加工刀具空间位置图标和曲面数控加工模拟-Vb.net open on the second surface autocad simplified dynamic simulation of NC machining can generate CNC machining tool icon spatial location and surface NC machining simulation

opengl nehe 教程在vb.net开发环境下的前八章代码。-the first 8 chapter code of nehe s opengl