It indicates that the rotary-arc gap switch employing a sharp knife-edge electrode as a third trigger electrode can distinctly reduce the electrode erosion and prolong the lifetime of the switch.

在不同开关结构、不同电极材料和不同电流波形情况下对开关进行了单次触发放电实验，验证了旋转电弧、场畸变间隙开关能够有效地减轻开关电极的烧蚀程度；

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"They all make very good switches," he said. "And when it comes to the edge, a switch is a switch."

“他们的交换机做的很好，但达到顶峰时，交换机毕竟还是交换机，”他说。

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Currently, layer 3 switch network devices have spread from the core of network to the edge of network. It occupys a large part of network devices market.

目前第三层交换机已由网络的核心延伸至网络的边缘，占据了相当大的市场份额。

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Currently, layer 3 switch network devices have spread from the core of network to the edge of network. It occupys a large part of network devices market.

目前第三层交换机已由网络的核心延伸至网络的边缘，占据了相当大的市场份额。

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