The error between the backwardanalysis results and the theoretical ones is much little and meets the demand of precision, which indicates that this backwardanalysis method is feasible and accurate.
反分析结果与理论值的误差很小，满足精度要求，表明该反分析方法的可行性和精确性。
2
The Backward function is important for the whole analysis while we use an On-Line Analytical Processing (OLAP) system.
该文论述了用户使用联机分析处理（OLAP）系统时，回退功能对整个分析过程所具有的重要意义。
3
The combined algorithm also can provide the forward and backward level partitions which are very useful for analysis of the structure of project networks.