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Echolocation may refer to: ==Navigation using sound== * Acoustic location, the general use of sound to locate objects * * Animal echolocation, non-human animals emitting sound waves and listening to the echo in order to locate objects or navigate * * Human echolocation, the use of sound by people to navigate * * Sonar (sound navigation and ranging), the use of sound on water or underwater, to navigate or to locate other watercraft, usually by submarines * * Echo sounding, listening to the echo of sound pulses to measure the distance to the bottom of the sea, a special case of Sonar * * Medical ultrasonography, the use of ultrasound echoes to look inside the body 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Echolocation」の詳細全文を読む スポンサード リンク
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