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Titlebook: Handbook of Recording Engineering; John Eargle Book 2003Latest edition Springer-Verlag US 2003 acoustics.analog.Audio.design.loudspeaker.M

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發(fā)表于 2025-3-23 11:15:51 | 只看該作者
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發(fā)表于 2025-3-23 17:17:51 | 只看該作者
ts was first proposed by K. F. Gauss (1777–1855) in 1832[1]. In 1851[2], he and Weber drew up a set of units based on the millimetre, the milligram and the second. This is known as the Gaussian system. Twenty-two years later[3] the British Association adopted the metric system but used the centimetr
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發(fā)表于 2025-3-23 21:53:26 | 只看該作者
nd magnetic quantities generally require four units of which three are mass, length and time and the fourth can be some electrical or magnetic quantity such as current, permeability or permittivity. It is sometimes convenient to introduce temperature as an independent unit ranking equally with lengt
14#
發(fā)表于 2025-3-24 01:07:25 | 只看該作者
iss A. J. Tutte for typing the manuscript. Department of Physics H. G. JERRARD University of Southampton D. B. McNEILL 1963 Preface to the fifth edition Since the publication of the fourth edition in 1980 advances in technology have led to more precise values of the fundamental physical constants an
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發(fā)表于 2025-3-24 05:36:49 | 只看該作者
iss A. J. Tutte for typing the manuscript. Department of Physics H. G. JERRARD University of Southampton D. B. McNEILL 1963 Preface to the fifth edition Since the publication of the fourth edition in 1980 advances in technology have led to more precise values of the fundamental physical constants an
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發(fā)表于 2025-3-24 07:22:10 | 只看該作者
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發(fā)表于 2025-3-24 13:14:06 | 只看該作者
nd magnetic quantities generally require four units of which three are mass, length and time and the fourth can be some electrical or magnetic quantity such as current, permeability or permittivity. It is sometimes convenient to introduce temperature as an independent unit ranking equally with lengt
18#
發(fā)表于 2025-3-24 17:36:33 | 只看該作者
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發(fā)表于 2025-3-24 19:09:02 | 只看該作者
tationally and want to know if these numbers have some simple form. This is not a particularly well-defined endeavor-every eight-digit number is rational and this is not interesting. However, the chances of an eight digit number agreeing with a small rational, say with numerator and denominator less than twen978-1-4615-8512-1978-1-4615-8510-7
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發(fā)表于 2025-3-25 00:36:46 | 只看該作者
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