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GPS܇v(yng)ϵy(tng)һ֞ɴ
܇vۙϵy(tng)
܇vķI ڡֻl(f)䡱̖GPSǽϵy(tng)һcڷIGPSۙϵy(tng)ҪͨžW(wng)j(lu)Լϵy(tng)oGPS܇dIxṩȡʹMõĽQGPSg(sh)GPSl(wi)̖յ24Сrgؽl(wi)ǰl(f)͵Ĕ(sh)(j)(sh)Y(ji)յSλSԼ\ٶȺ͕rgϢ
܇v(do)ϵy(tng)
һNt܇v(do)܇d(do)xͨ^l(wi)̖ӵ؈D(sh)(j)mrԼķλcĿĵ(do)ģʽȡκʹMÑԸ(j)ԼҪxُI؈D(sh)(j)(dng)ʹ߰܇dGPSb܇ϺoՓʹ̎Ă(zhn)ǽ^(q)҂D(zhun)˲֮gҵһҲ^һҼվ
D(zhun)d(lin)W(wng)