"Emergency Communica-tions" systems, especially the "Social Integrated Emergency Response Communications " Systems, are the professional communications systems with great social value and realistic..."Emergency Communica-tions" systems, especially the "Social Integrated Emergency Response Communications " Systems, are the professional communications systems with great social value and realistic significance, built up by the wire/wireless platform and dig-ital trunking dispatch commu-展开更多
文摘"Emergency Communica-tions" systems, especially the "Social Integrated Emergency Response Communications " Systems, are the professional communications systems with great social value and realistic significance, built up by the wire/wireless platform and dig-ital trunking dispatch commu-
