The system comprehensively applied advanced MCGS configuration software, GPRS module, signal detection and processing technology, can effectively monitor, do statistics and enquire all kinds of data.

系统综合应用了先进MCGS工控组态软件、GPRS模块、信号检测与处理等技术对油井现场进行了有效地监控，能对各种数据进行方便地统计和查询。

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Mr Hardcastle, of consultants Kellogg Brown and Root, said the main recommendation was for an "area-wide" charging scheme which would use satellite technology to monitor the journeys of all motorists and charge them per mile.

BBC: Tolls 'would curb M25 traffic jams'