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echolocation    音标拼音: [,ɛkolok'eʃən]

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  • Animal echolocation - Wikipedia
    Echolocation, also called bio sonar, is a biological active sonar used by several animal groups, both in the air and underwater Echolocating animals emit calls and listen to the echoes of those calls that return from various objects near them
  • Echolocation | Bats, Dolphins Whales | Britannica
    Echolocation, a physiological process for locating distant or invisible objects (such as prey) by means of sound waves reflected back to the emitter (such as a bat) by the objects
  • What Is Echolocation? How Does Echolocation Work? - Science ABC
    Echolocation refers to the ability to see using sound waves In bats, whales, and dolphins, echolocation is used to see in the dark Humans also have the ability to use echolocation, but it is often suppressed With practice, however, humans can train themselves to use echolocation
  • What exactly is echolocation and how does it work? The . . .
    Echolocation is a technique used by bats, dolphins and other animals to determine the location of objects using reflected sound This allows the animals to move around in pitch darkness, so they can navigate, hunt, identify friends and enemies, and avoid obstacles
  • How does echolocation work? - BBC Science Focus Magazine
    Echolocation helps the bat to navigate, and to chase and snatch prey, such as moths, straight out of the sky Most of the world’s 1,400 bat species use echolocation They produce pulses of sound, largely in the ultrasound range, high above the limits of human hearing
  • The Evolution of Echolocation - Smithsonian Ocean
    Similar to bats, all modern toothed whales possess a kind of biological sonar known as echolocation that helps them navigate environments where other senses may not allow
  • What is echolocation? | Popular Science
    Imagine an echo that locates things The sound hits an object and bounces back, relaying information about a target’s whereabouts or cues for navigation
  • Echolocation is nature’s built-in sonar. Here’s how it works.
    Nature’s own sonar system, echolocation occurs when an animal emits a sound wave that bounces off an object, returning an echo that provides information about the object’s distance and size Over
  • Echolocation - Bats (U. S. National Park Service)
    For example, bats use echolocation when they're hunting You can call it a "feeding buzz," and it works like this: When a bat detects an insect it wants to eat, it produces a rapid series of calls to pin-point the exact location of its prey, the swoops in, and GULP! - dinner
  • Human echolocation - Wikipedia
    Human echolocation Human echolocation is the ability of humans to detect objects in their environment by sensing echoes from those objects, by actively creating sounds: for example, by tapping their canes, lightly stomping their foot, clapping their hands, snapping their fingers, or making clicking noises with their mouths





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