asdic

英['æzdik]美['æzdik]

超声波水下探测器,回声定位声纳,测潜艇仪

同：	[n.] echo sounder, sonar

a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return
- sonar is an acronym for sound navigation ranging
- asdic is an acronym for antisubmarine detection investigation committee
[同] echo sounder, asdic, sonar

开心词场背单词

站内文章