英语词汇“personal emergency alert system”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	personal emergency alert system
释义	personal emergency alert system personal emergency alert system (pĕr-sŭn-ăl) A device consisting of a portable battery-powered help button and a machine that automatically dials a monitoring station. The device is connected to the individual's telephone or to a phone jack. When the system is activated, it either allows a two-way communication between the monitoring station and the individual or alerts the station personnel to phone the individual. In the latter case, if there is no response the station may call a neighbor or family member or dispatch emergency medical technicians to the person's home.
随便看	ieee international conference on control and applications ieee international conference on fuzzy systems ieee international conference on mechatronics ieee international conference on mobile ad hoc and sensor systems ieee international performance computing and communications conference ieee international symposium on workload characterization ieee international workshop on wireless, mobile, and ubiquitous technology in education ieee journal of lightwave technology ieee journal of oceanic engineering ieee multi conference on systems and control ieeep ieee p1394 ieee pdi ieee phoenix conference on computers and communications ieee radio and wireless symposium ieee robotics and automation society ieees ieee-sa ieee-sasb ieee standard 1149.1 ieee standard for ethernet ieee standard for wireless metropolitan area networks ieee symposium on computers and communications ieee symposium on precision clock synchronization ieee transactions geoscience remote sensing

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