CBTC is adopted for signal system of Xi 'an Subway Line 2, which is a complete and movable block train control system based on wireless communication technology.
西安地铁2号线信号系统采用完整的、基于无线通信技术的、移动闭塞制式的CBTC列车自动控制系统。
There are many communication modes in remote monitoring system, such as optical fiber, wireless transmission, cable mode, power line carrier, etc.
远程在线监测系统可以选择多种通信方式：光纤、无线、电缆、电力线载波等等。
With the system, on-line measurement of yield during gathering in the crops is implemented, and the communication between field ends and monitoring center is achieved through wireless short messages.
该系统实现了作物收获过程中的产量在线测量，并通过无线短消息方式将现场端与监控中心进行通信。
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