2.帠慜挷嵏

廰懾

岎捠巤愝偺擻椡傪挻偊傞摦懱偺棳擖偵傛傝堏摦懍搙偑抶偔側偭偨忬懺丅

廰懾偲偄偆尵梩

帺摦幵偑峀偔晛媦偟偰偄側偐偭偨帪戙偱偼乽廰懾乿偲偄偆尵梩偼堦斒偵巊傢傟偰偄側偐偭偨丅弶傔偰偙偺梡岅偑巊傢傟偨偺偼徍榓36擭偵寈帇挕偑儔僕僆偺暥壔曻憲偱悽奅弶偲側傞岎捠忣曬傪曻憲偟偨帪偱偁傞丅

GPS

Global Positioning System偺棯偱丄抧媴忋偺尰嵼埵抲傪恖岺塹惎偐傜偺揹攇偱偼偐傝抦傞憰抲丅

僇乕僫價

僇乕僫價僎乕僔儑儞丅揹巕揑偵帺摦幵偺憱峴帪偵尰嵼埵抲傗栚揑抧傊偺宱楬埬撪傪峴偆婡擻丅