The intrusion way of over-voltage like lightning into computer (electronicsystem) 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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Finally, the system is prepared in the state given by the product of the motional squeezed number state with the groundelectronic state.