《精通LabVIEW虚拟仪器程序设计与案例实现》的随书程序，第四章讲labvIEW的程序结构，labvIEW的初学者可以参考-" Mastering LabVIEW Virtual Instrument Program Design and Case implement" a program with the book, chapter IV speaks labvIEW program structure, labvIEW beginners can refer