基本解釋導航輔助設備英漢例句雙語例句The utility model relates to a free-floating light beacon of navigational aid on water in the sea, a river, or a harbor.本實用新型是一種海、河港口用水上助航活節(jié)式燈樁。ip.comConsidered a navigational aid to ships entering the harbor, the statue was first administered by the U.S Lighthouse Board before eventually falling under the jurisdiction of the National Park Service.它被認為是給進港的船只導航的標志，因此在歸于國家公園管理處管理之前它都是在美國燈塔局管理的。A radio navigational aid for determining the distance from a selected DME ground station by measuring the time of transmission to and from it.飛機上的一種無線電導航設備，通過測量電波往返飛機和預選地面（DME）臺之間所需要的時間來確定兩者間的距離。權威例句Some countries have laws on the books dating back centuries saying that any navigational aid certified by the government has to be controlled by that government and be based within its territorial borders.FORBES: Europe Reinvents GPSnavigational aid更多例句詞組短語短語navigational visual aid 目視助航設施navigational lighting aid 助航燈光shipborne navigational aid 船載導航設備NAVAID Navigational Aid 導航設施Air navigational aid 助航設施navigational aid更多詞組專業(yè)釋義交通運輸工程導航設備助航設備導航輔助設備航空、航天科學技術導航設備助航設備導航輔助設備地球科學導航設備