seoŻʽ-40 ÿһ붼Ľ࣬GPSϵͳ һGPSǽ䣬йפʹӡǿýӭ껰й˹ϵۣơ롰ʱйĸ·կɣӶˮվͶйЭﱸС ž鳤ҶͯҽԺ ظӲ֢ϣ Ĵְɳذ조硱 λ˳ˮȣ˹һѧ ǧʦɢ漣ˣйפӢʹ䷢ʶǩ֤רƬ֮·עѡµ Ʒʽѡµ ƷʽĴǡڿƼרĿֻйפӢʹʶǩ֤䷢̨깲ͬ̽֡ĸ↑40ΰɾ͡飺ϲסſ ֮...Ŀϱը¹ʣһ ǽڱըɡ-Żseoѧϰ-