automatic beacon造句
例句與造句
- It is still a working lighthouse, America's oldest, with an automatic beacon.
- The automatic beacon was replaced in 1975 by an automatic lighthouse facility.
- A keeper and two assistants were assigned to live there until the United States Lighthouse Service installed an automatic beacon in 1929.
- But the Alaskan Rose received no mayday signal before the automatic beacon on the Arctic Rose activated along with hydrostatic life rafts five hours later.
- In 1967, an automatic beacon flashing white was installed making the lighthouse keeper unnecessary, and all permanent human habitation on the island ceased after this event.
- It's difficult to find automatic beacon in a sentence. 用automatic beacon造句挺難的
- The navigation aid was originally established as an automatic beacon which was first lit in late 1950, was established after a lengthy period of lobbying of the Australian government.
- Thirty-six seconds later, a controller called Flight 587 and told the pilots the tower was not receiving signals from the plane's transponder, an automatic beacon that allows the plane to be tracked.
- In the UK, by 1959 the first automatic beacon for liferafts had been produced by Ultra Electronics, and at the same time Burndept produced the TALBE ( Talk and Listen Beacon Equipment )-VHF, and SARBE-Search-And-Rescue-Beacon Equipment ( UHF ) range of beacons which were used by the Fleet Air Arm and later, Royal Air Force.