A property of any secure system. It refers to the fact that if an event occurs, then both parties to the event cannot claim that it has not happened; for example, the ordering of some shares with an online broker.
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。