广播地址分：全网广播(all network broadcast)与子网广播(subnet broadcast) 子网广播又称为directed broadcast(直连广播)，实际上这种地址已经很少用到了
基于12个网页-相关网页
Subnet Broadcast Address 子网路广播地址
subnet broadcast route 子网广播路由
Broadcast Subnet 广播子网
subnet directed broadcast 子网定向广播
subnet-directed broadcast address 广播地址
subnet broadcast
子网广播
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Update: You can forget about calculating the subnet directed broadcast.
更新：你可以忘记计算的子网直接广播。
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