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阐述了ＺｎＯ压敏陶瓷材料导纳谱测试的原理和方法，重点介绍了作者组建的自动测试系统以及由该系统测得的某些ＺｎＯ压敏陶瓷试样的Ｄ～ｆ、Ｇ～Ｔ和Ｃ’～Ｃ”曲线。
The principle and method of admittance spectroscopy of ZnO varistor ceramic materials are described. The automatic test system and the D ~ f, G ~ T and C of some ZnO varistor ceramics measured by the system are emphatically introduced. ’~ C’ curve.