physical connection的用法和樣例：
例句
- Network Topology is basically a description of how the physical connections of a network are set up.
對于一個(gè)網(wǎng)絡(luò )，通常需要用網(wǎng)絡(luò )拓撲來(lái)描述它的物理連接以及設置情況。 - While it is not essential for an Intranet to have a physical connection into the Internet, the benefits can often outweigh the risks.
然而，內部網(wǎng)不必一定與互聯(lián)網(wǎng)有物理連接，這樣做常常是好處大于風(fēng)險。
