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Сонар
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Echogonio, латинский
Sonar, английский
- Sound navigation and ranging (system)
- Sound navigation and ranging
- 1. an acronym for sound navigation and ranging, a method of using sound pulses to detect, range, and sometimes image underwater targets and obstacles or the bed of the sea. see also echo sounding and asdic.
- This acronym of sound navigation and ranging refers to a system for the detection of underwater objects by reflected sound (cf. asdic). the operational mode can be “active” (pinging) or “passive” (listening). several mass strandings of cetaceans have occurred simultaneously in time and space with naval exercises using mid-frequency active sonar. this relationship could be causal rather than coincidental and, before starting an active sonar search, it is now standard usn operating procedure for surface vessels to mount visual lookouts, trained to spot marine mammals with high-powered binoculars (see beaked whales).
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Echogonio, латинский
Maltum [i, n], латинский
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