对这些运营商而言，通过减小光缆的尺寸来降低敷设成本和系统成本是非常重要的。
It is important to these customers to secure fiber optic cables with small diameters in an effort to reduce installation and ongoing system costs.
该系统基于校园原有的以太网络进行设计，线路敷设成本低，可靠性高，维护管理方便。
The system is designed based on the original campus Ethernet network, so it is lower line laying cost, high reliability, easy maintenance and management.
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