sonic sound waves 相關文章
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因此我們最好將ultrasonic frequency=supersonic frequency一律翻譯為「超音頻」,將ultrasonics一律翻譯為「超音波學」。 而音速(sound velocity=sound speed=sonic...
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Sonic waves: The human ear can easily perceive frequencies ranging from 20 Hz to 20 kHz . As a result, audible sound is ...
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A sonic boom is a sound associated with shock waves created when an object travels through the air faster than the speed...
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Sonic and ultrasonic weapons (USW) are weapons of various types that use sound to injure or incapacitate an opponent. So...
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2022年7月9日 — Ultrasonic waves are sound waves with frequencies above the upper limit of a human's audible range (>20...
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6 天前 — Ultrasonics, vibrations of frequencies greater than the upper limit of the audible range for humans—that is, gr...
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Sound wave is a vibration that is transmitted through a medium, such as air, water, and metals. Ultrasonic wave is defin...
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sonic sound waves 參考影音
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