echometry
名词 n.
英文释义
名词 n.
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acoustics;
— A-men, Ar-men, Am-men, and Ah-men, and every other prefix and accentuation of men, that the love of variety could suggest, or the art of echometry command, were poured forth with a vigor and energy, that common throats would have "swelled to bursting night."
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acoustics;; The art of constructing vaults to produce echoes.
— Blanc, in his Echometry, at the end of his first book of the sphere, teaches the method of making an artificial Echo.
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acoustics;; A hypothetical science of echos.
— The science of echometry is a capricious science. The millionaire was disgusted, when his rich ruttish voice failed to produce a response; he was more disgusted on being told that to no one but the little son of his own gamekeeper would the echo reply at all.
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The scientific measurement of sounds or echoes.
— It treats of Arithmetic with separate pagination, and is one of the earliest works on commercial arithmetic published in Scotland; the terrestrial glove; the elements of astronomy (p. 54); the principles of geography (p. 71); and echometry or science of measuring sound (p. 107) .
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The scientific measurement of sounds or echoes.; The use of reflected sound waves to measure the shape or movement of objects.
— In determining dynamic level of liquids in bore-holes by existing methods and apparatus, eg by gas volumes in piping, echometry etc, much time is required together with elaborate apparatus, often yielding unsatisfactory results without possibility of studying in situ all special features in connection with liquid level over long periods.
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The scientific measurement of sounds or echoes.; The use of ultrasound echos to make biometric measurements (as opposed to making images, which is called medical ultrasound).
— The acoustics system design for echometry is significantly different from that of tissue-structure mapping in that diffuse backscatter is essential.
词汇关系
衍生词
词源
From echo + -metry, compare French échométrie.
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数据来源: Wiktionary