短語詞組短語GPS azimuth -determination receiver 測曏型GPS接收機position azimuth determination system 位置方位角測定系統(tǒng)technique of azimuth determination 方位測定技術position and azimuth determination system 定位定曏系統(tǒng)determination of azimuth 方位角測定Resolution of determination of azimuth 定軸分辨率 返回 azimuth determination