communication link的用法和样例：
例句
- Any modification may lead to updating each unique communication line in its own way.
任何修改都可能会按其自身的方式更新每条唯一的通信线路。 - Data to support these applications are sent to the mainframe from the store minicomputers over communication lines.
支持这些应用的数据是各分店里的小型计算机通过通信线路送给主机的。
