Cut-through switches do not perform any error checking of the frame because the switch looks only for the frame's destination MAC address and forwards the frame out the appropriate switch port.
直通式交换机不执行任何帧错误检查，它只查找帧的目的MAC地址，并从相应的交换机端口将帧转发。
2
If you need future access to anything, just frame around it and cut out the opening when you drywall.
如果以后会需要接触某样东西，那就在挂上纸面石膏板后在这一部位切出开口。
3
Each piece of moss is cut into a foam frame, which prevents the moss from spreading or growing out of control.