function-level linking 函式阶层连结 ; 函式阶层链接
It adopts PLC control system. It has human-machine interface, easy to operate and with linking function.
生产线采用PLC控制系统，人机对话界面，操作简便；具有联动功能。
Ion is a new generation optical network which can complete automatic switching and linking function under the control of optical routing and signaling.
智能光网络是在光路由和信令控制下完成自动交换连接功能的新一代光网络。
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