No carrier was detected on the communications port.

通讯端口上未发现载体。

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。

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。

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。

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。