cut mark

A tree is created and maintained by the switch for every VLAN according to the mark affiliated in BPDU. It can cut down the delay from the block state to transmitting state obviously and improve the real-time characteristic in the Ethernet.

在BPDU中加入标示性能的标志，交换机根据这个标志为每个VLAN生成、维护一个稳定的树结构，使交换机端口由阻止状态到转发状态的延迟明显缩短，提高了网络的实时特性。

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The scar cut the diamond on his white, bald, shining forehead, made a burning red mark.

他的光秃秃的前额又白又亮, 从前给金钢钻割破的地方结成一条血红的疤.

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Not in the least worried, he slowly took out a small knife and cut a mark on the side of the boat.

他一点儿也不着急，慢腾腾地拿出小刀，在船舷上刻了一个记号。

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Mark: Naw, I cut that out a long time ago, not just because it was bad for the environment but also because it was eating up my money every month.

马克：不，很久以前就不再打了，不仅因为对环境不太好，还因为花了我不少钱呢。

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It can automatically trim resistor, cut off line and mark sign in one time.

具有调阻精度高、扫描速度快 、 性能可靠等优点,可以长时间连续进行工作.

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