| 释义 |
geophone|ˈdʒiːəʊfəʊn|
[f. geo- + -phone.]
A device or instrument used to detect vibrations such as sound-waves or shock-waves in the ground.
1919Engin. & Min. Jrnl. 17 May 872/1 The geophone, a ‘listening’ instrument invented by the French to detect enemy sapping and underground mining operations..is now being used by the Bureau of Mines..in establishing the location of miners who have been entombed after a disaster. 1922Encycl. Brit. XXXII. 526/2 The geophone is an instrument for direction-finding of sounds proceeding through the earth, and its particular use during the war was for localizing the sound of picks, etc. used in tunnelling and land mining. 1933Discovery Dec. 375/2 The geophones..such as were used by the sappers in the war to localize enemy saps. 1953Sci. News XXIX. 15 Ashore, use is made of moving coil instruments, called geophones, which respond to the velocity with which the ground surface moves after an explosion. 1965New Scientist 4 Feb. 271/1 The largest seismic array in the world..will contain 525 geophones (a kind of seismometer). |