The intrusion way of over-voltage like lightning into computer (electronic system) was intro- duced, and the protection methods against over-volt- age from circuits and ground were studied.

介绍了雷电等过电压侵入计算机（或电子设备）系统的途径，研究了如何防止由线路和地线进入的过电压。

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We also should take protective measures for the volt power bright spots that produced by the series voltage resonance and the higher harmonic produced by the Electronic Ballast.

采用串联电压谐振产生高压起辉，必须采取过流保护措施。 电子镇流器高次谐波的产生及其所带来的危害。

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McKinley had seen how the growth of electronic gizmos in cars had tapped out the standard 12-volt vehicle electrical system.

FORBES: Magazine Article

McKinley had seen how the growth of electronic gizmos in cars had tapped out the standard 14-volt vehicle electrical system.

FORBES: Magazine Article