美国国家仪器出品的可视化编程软件LabVIEW，类似于C和BASIC开发环境，使用图形编辑语言G语言编写，简单易懂可读性强，此文档为NI出品的官方教程-National Instruments has produced a visual programming software LabVIEW, like C and BASIC development environment, using a graphical editor language G language, easy to understand readable, this document is produced NI official tutorial