有了多播，每个客户机能拾取单一数据流而节省带宽。

With multicast, a single stream can be picked up by each client, saving bandwidth.

youdao

有了多播，每个客户机能拾取单一数据流而节省带宽。

With multicast, a single stream can be picked up by each client, saving bandwidth.

youdao