An event that occurs when data has been sent to a remote computer on a network and no acknowledgement has been received after a specific period of time. Usually when this occurs the sender of the data retransmits it after a period of time.
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。