设计了一种小型轻便的无线定位信标机,由GPS模块、微处理器、无线射频模块、电源模块等部分组成。它具有定位可靠精确、小巧轻便、......

Tuberculosis is one of the leading infectious diseases plaguing mankind and is mediated by the facultative pathogen,Myco......

Nowadays, Global Positioning Systems (GPS) receivers are used for outdoor navigation, which are the part of recent smart......

Agencies in Iowa have utilized both overhead flashing beacons and stop-sign mounted beacons. Although several studies ha......