释义 |
lo·ran \ˈlōrˌan, ˈlȯˌr-, ̷ ̷ˈ ̷ ̷\ noun (-s) Etymology: long-range navigation : a system of long-range navigation in which pulsed signals sent out by two pairs of radio stations of known position are used by navigators to determine the geographical position of a ship or an airplane |