通信技术中，用来使线路间互相匹配以确保传输损耗最小的设备和技术。

In communications,? Equipment? And techniques used to match circuits to each other ensuring minimum transmission impairment.

youdao

通信技术中，用来使线路间互相匹配以确保传输损耗最小的设备和技术。

In communications,? Equipment? And techniques used to match circuits to each other ensuring minimum transmission impairment.

youdao