说明：  VISA提供了简单易用的控制函数集,在应用 形式上相当简单 另一方面,对复杂系统的组建者来说,VISA提供了非常强大的仪器控制功能与资源管理
(VISA provides an easy-to-use set of control functions in the application form is quite simple the other hand, for the formation of a complex system, VISA provides a very powerful instrument control and resource management)