The dynamic range and total harmonic distortion of digital recording system are different from analog recording system.

数字录放音系统的动态范围和总谐波失真与模拟录放音系统相比是有差别的。

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In this paper, the meanings of dynamic range and total harmonic distortion of digital recording system and their measurement principles are discussed.

本文讨论了数字录放音系统的动态范围和总谐波失真的意义及其测量原理。

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A process which is coupled to the narrow band of brain temperature could allow all normal human brains to be affected by a sub-harmonic whose frequency range at about 10 Hz would only vary by 0.1 Hz.

与大脑温度的狭窄范围相对应的一种过程可能使得正凡人脑遭到一种频次范围在大约10赫兹并且只在0.1赫兹范围内变化的次谐波的影响。

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Gourmet or premium power refers to highly-reliable electric power supplies that deliver service within a narrow voltage range and without harmonic distortions.

FORBES: "Gourmet Power" Alters Geography of Global Finance