结果表明，继电器绝缘的工频耐压特性是影响这一数值的关键因素。
The test results show that the power frequency voltage withstanding characteristics of the insulation of protective relays are the key factor influencing tolerable ground potential rise.
通过实验检测了开关的耐压特性以及不同电压下的开关动作延迟时间和抖动。
The delay time and jitter of the switch at different voltages have been measured respectively through tests.
聚丙烯波形板的空心结构和它的抗冲击，耐压特性使之适合弯曲、折叠、包装。
The hollow structure of Polypropylene Corrugated Sheet and its impact-proof, compression resistant characteristic is suitable for bending, folding and packing.
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