Long-distance single-mode fiber optic cable is laid between the stope and port control system to enable Ethernet data communication.
在采矿场和港口控制系统之间敷设长距离单模光缆，进行以太网数据通讯。
This kind of optical fiber can operate in single mode or multiple mode effectively, and is especially suitable for high-bit rate communication system.
这种光纤能以有效的单模方式工作或以有效的多模方式工作，且这种光纤非常适用于高比特率通信系统中。
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