| 单词 | echo-sounder |
| 释义 | > as lemmasecho-sounder echo-sounder n. a device used for this purpose. ΘΚΠ the mind > attention and judgement > discovery > instrument for detection > [noun] > location by echo > device for echo-sounder1927 Asdic1939 society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > depth-finder depth recorder1911 depth finder1923 Fathometer1925 echo-sounder1927 echometer1937 1927 S. H. Long Navigational Wireless xi. 148 Admiralty Type Echo Sounder. A second type of echo depth sounder..developed by the Admiralty Research Department. 1935 Nature 1 June 898/1 For navigation the echo sounder was employed originally to delineate the 100 fathom line. 1936 Discovery Dec. 388/1 The electrical echo-sounder is to be used for the detection of shoals of fish. 1953 J. Y. Cousteau Silent World x. 97 Our echo sounder located the wreck of a French submarine. < as lemmas |
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