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词汇 echolocation
释义 echolocation
noun[ U ]
uk /ˌek.əʊ.ləʊˈkeɪ.ʃən/ us /ˌek.oʊ.loʊˈkeɪ.ʃən/
a process in which animals, for example bats (= small animals with wings that fly at night), find their way in the dark by producing sound waves that echo (= are heard again) when they are reflected off an object: (蝙蝠等动物的)回声定位
Dolphins locate underwater creatures using echolocation.海豚利用回声定位来确定水下生物的位置。
SMART Vocabulary: related words and phrases

Sound & its properties
acoustically
acoustician
anechoic
anti-noise
aurally
binaural
echo
high def
high definition
monaural
monaurally
mono
monophonic
quadraphonic
reverberate
sonic
soundscape
thunder
twangy
unlistenable

You can also find related words, phrases, and synonyms in the topics:


Animal (non-human) behaviour

Related word


echolocate

Examples of echolocation


echolocation
Future efforts that focus on developing an echolocation call library and surveying these guilds remotely could be valuable in expanding our knowledge of this guild.
These are broad groups that can be divided further by echolocation design and foraging strategy.
In the domain of vision, two main classes of such sensory substitution devices have been constructed: echolocation devices and tactile visual substitution devices.
The feeding behaviour of insectivorous bats: echolocation, foraging strategies, and resource partitioning.
We recorded the echolocation calls of passing bats for 10 min per 30-min sampling interval.
The camera-like eye is a classic example, but so are such features as hearing, echolocation and a sense of smell.
Echolocation devices provide auditory signals which depend on the direction, distance, size, and surface texture of nearby objects, but they provide no detailed shape information.
The eye provides the premier example, although just the same arguments could be put forward for any of the other sensory systems, such as olfaction, audition, echolocation and electro-reception.
Maternal genes could benefit from echolocation imagery if it allowed for more reliable assessments of information in an aquatic environment where visual assessments are error-prone.
Finally, the book only weakly relies on psychoacoustics for its argument, except for basic information about binaural localisation which is generally grouped under the heading of echolocation.
However, with more understanding of the physics of echolocation, considerable research has been conducted in extracting more information from the ultrasonic echoes rather than just arrival times from single transducers.
This is further zoomed in on two echolocation calls.
From
Wikipedia

This example is from Wikipedia and may be reused under a CC BY-SA license.
Echolocation pulses, barks, chatters, and screeches are used in various social situations including courtship and territorial defense.
From
Wikipedia

This example is from Wikipedia and may be reused under a CC BY-SA license.
The bulldog bat mostly forages for fish during high tide and locates them with echolocation.
From
Wikipedia

This example is from Wikipedia and may be reused under a CC BY-SA license.
Some animals use echolocation and these include swiftlets, bats and river dolphins.
From
Wikipedia

This example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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