lighthouse tower 意味

例文

the lighthouse tower which reaches twenty meters in height , was constructed at the site of an official residence and has an antenna; the antenna emits radio waves at a cycle of thirty seconds (fifteen seconds of emission and fifteen seconds of suspension ) to display the direction and distance of the cape on the screen of marine vessel equipped with radar .
灯台上の官舎跡に建てられた高さ20ｍの鉄塔の上にアンテナが設置されており、電波を30秒サイクルで発射（15秒発射、15秒休止）し、レーダー搭載の船舶に岬の方位と距離を画面上で示している。