cidr classless and subnet address extensions and supernetting无: not have; there is not; be w ...类别: classification; category; ge ...域: land within certain boundari ...间: space in between; opening路由选择: routing; route selecting下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:无类别域间路由选择，即可在微信中查询翻译
