very high-speed backbone network service
...高阶程序设计语言 very high-level programming language 超高速骨干网络服务 very high-speed backbone network service 超大型数据库 very large database ..
基于4个网页-相关网页
very high-speed backbone network service
非常高速的骨干网络服务
以上为机器翻译结果，长、整句建议使用 人工翻译 。