| 释义 |
Asdic|ˈæzdɪk|
[f. the initials of Allied submarine detection investigation committee.]
An echo-sounding device for the detection of submarines. Cf. sonar.
1939War Illustr. 29 Dec. 538/2 Asdic..mentioned by Mr. Churchill in one of his speeches..[is] a type of secret apparatus now used by the Navy. 1940Nature 3 Aug. 171/1 On May 21, Dr. R. W. Boyle received the Flavelle Medal of the Society..in recognition of his researches, particularly on the development of ‘Asdics’ and his work on ultrasonics. 1943Penguin New Writing XVIII. 27 Taff is an Asdic rating. They work with headphones and they pick up echoes underwater and can get the bearing and distance of the echo and often they can tell if it's a sub or not. 1952J. V. Noel Naval Terms 13 Asdic, British echo-ranging sound gear, equivalent to our [sc. American] Sonar. 1958Spectator 8 Aug. 196/2 asdic, the device which sends out pulses of sound through the sea and records the echo where these are reflected back from a submarine. |