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              ˝M͑{У̌W|IJ׷ԼЈČHҪfƼ߀ƳģMԇϵyԓģMԇϵyMʡȥģMh²ҪıOغϢȫ̶ȵıˌWTĿԇҪC˹ϵȫPԼϵĸ߶rsдȵ½ҪģMЧ鿼

              ϵyfаlı/GPS߾ȶλϵyƽ_ͬrں϶ƽ܇v̖ɼҕlD̎oͨgԼ؈D̓M˶ܛͅ^|lЛQ㷨Ԍr@ʾ܇vڿ؈Dеľ_λƄ܉EӛWTĸ헲fƼĿĿģMԇϵyһ׼lǶλgӋCgͨżgȼgcһwCܹϵyԓϵyҪӖ܇dO򿼴dGNSSվͨӍO


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        D1 Ӳϵy܈D


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              һrվO_韅^Ƅվ܇dOҪְbڙC܇vƄվՙCb܇dOȲD3ʾƄվp쾀Mһl_dwˑBMo܇vķϢͨӍϵy_3Gɻվcվ֮gͨӍڿĿ·ԇ^_İl书һx3G


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        GNSSģʽGPS (L1,L2)BDS(B1,B2)
        GNSSλ_1cm
        GNSS푑Ҫ܌r80kmµĿ܇Mо_λ
        GNSSɘʣÿɘʲ5
        GNSSݔlʣ115200bps
        GNSS״ζλrg45s
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