Trademark British Telecom’s higher-speed digital leased-circuit service. Megastream circuits (or more correctly virtual circuits) are available as a fully digital service, operating at 1 and 622 Mbps. See also Kilostream.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。