| 释义 |
〔feedhorn〕A satellite dish component that captures the signal reflected from the dish surface and channels it into an amplifier.碟形卫星天线：碟形卫星信号接收器设备，可以捕捉自碟形表面所反射出来的讯号并传送至放大器〔ping〕A protocol that sends a message to another computer and waits for acknowledgment, often used to check if another computer on a network is reachable.因特网封包探索：将信息传送至另一计算机并等待确认的协议，通常用于检查网络上的另一台计算机是否可用 |