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1·No carrier was detected on the communications port.

通讯端口上未发现载体。

2·The transmission originated from a communications port in the observation deck itself.

传输源是在了望甲板的通信站上。

3·At the same time, other threads can access disk files or get data from a communications port.

同时，其他的执行绪可以存取磁碟档案或从通讯连接埠取得资料。

4·The X10 controller will connect to a communications port on your build machine; the port attribute indicates the communications port you are using.

X10控制器将连接到构建所在机器的一个通信端口上；port属性指示使用中的通信端口。

5·While sometimes this can be very beneficial, like having Web servers default to the standard Web server communications port, this can also lead to a number of security issues.

虽然有时候这可能非常有益，像Web服务器默认为标准的Web服务器通信端口，这也会导致许多安全问题。

6·Cannot start communications with the desktop computer. No carrier was detected on the communications port. Please verify that the communications line is connected and active.

无法启动与桌面计算机的通讯。通讯端口上未发现载体。请检查通讯线路是否连通并处于活动状态。

7·Serial port, early applied communications port, has been widely using in various fields as the industrial control and so on, just due to its special features of its easy realization.

串行接口作为一种应用较早的数据通信接口，由于其自身实现容易等诸多特性，现在已经在工业控制等诸多领域得到了广泛的应用。

8·Abstract Serial port, early applied communications port, has been widely using in various fields as the industrial control and so on, just due to its special features of its easy realization.

【摘要】串行接口作为一种应用较早的数据通信接口，由于其自身实现容易等诸多特性，现在已经在工业控制等诸多领域得到了广泛的应用。

9·With both TCP/IP and UDP/IP communications, the key elements are the IP addresses used to identify the hosts and the port number.

在 TCP/IP 和 UDP/IP 的通信中，最主要的元素是用于确定主机和端口号的 IP 地址。

10·Meanwhile, allied air forces were harrying the enemy communications and aircrafts in southern Italy, and port of Naples.

同时，盟国的空军正在骚扰敌人在意大利南部的交通线和机场以及那不勒斯港口。