multi-cast多: many; much; more址: location; site; ground; foun ...传送: transmit; convey; deliver; t ...多址传送骨干: multi-cast backbone地址传送: address transfer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:多址传送,即可在微信中查询翻译