over-expansionBNC⁹¹⁵¹⁷⁺⁸ 基本例句 过度扩张 In order to overcome the disadvantages of IPv4, especially the lack of IP address and the over-expansion of route tables in backbone routers, IETF has established IPng Organization. 其中最迫切需要解决的就是 IP地址不足及骨干路由器中路由表过于庞大等问题。 fabiao