Using the key you can drop the membership, block and unblock datagrams from certain addresses, and return information about the group and channel.

利用该键，您可丢弃组成员、阻塞或者取消阻塞来自特定地址的数据报、以及返回有关组和通道的消息。

youdao

Using the key you can drop the membership, block and unblock datagrams from certain addresses, and return information about the group and channel.

利用该键，您可丢弃组成员、阻塞或者取消阻塞来自特定地址的数据报、以及返回有关组和通道的消息。

youdao