This paper has described the system topology, datatransfermode, the application of USB and its development prospect.
本文论述了USB的系统拓扑结构、数据传输方式及USB接口的应用和发展前景。
2
The structure, data collection, transfermode, and auxiliary system of on-line monitoring system were described in detail, and the problems existing in application of the system were also pointed out.
详细描述了污水厂在线监测系统的结构、数据采集、传输方式及其辅助系统，指出了系统应用中出现的问题。
3
The design mode and functional realization of remote data acquisition terminal, GPRS data transfer, data analysis center and system software are described in detail.