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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It can achieve a fixed output of DC voltage in the universal input range of ac 80 ~ 265 V. It owns the advantages of high efficiency, low total harmonic distortion, PF near to 1.

该方案能在80 ~ 265 V宽输入电压范围内得到稳定直流电压输出，具有效率高、总谐波畸变率低、功率因数接近为1等特点。

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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