multicast group

• 多播组

multicast group的用法和样例：

例句

1. Abstract class defines a reference to a member of the multicast group.
   抽象类定义了对多播组成员的引用。
2. Then the server, by sending a single packet of data to that multicast group, would be sending to all the clients as the packets are replicated somewhere along the way.
   然后服务器将单个数据包发送到多播组里，当信息包沿着路线被重复某地操作时，将发送到所有的客户机上。