In order to implement the double - direction data exchanging between remote faul diagnosis center and the locale , an activex control for remote gathering data must be made . so this dissertation expatiates the application of activex control technology in rfds , including the design , implementation and use of the data - gathering activex control in this system 本论文提出了综合利用activex控件、 web数据库、呼叫中心等技术,建立基于www的远程故障诊断系统的设计方案,并建立了一个多层螺旋调强放疗装置远程故障诊断系统的原型系统。