Open Access
表13
遍历树的次数
| 产生新版本的情况 | 遍历次数 |
| ORF修复 | 表达式中“ & & ”及“‖”的个数 |
| NF修复 | 表达式中抽象层变量的个数 |
| CF修复 | 表达式中抽象层变量的个数 |
| ASF修复 | 表达式中“‖”的个数 |
| vORF修复 | 表达式中具体层操作符的个数×5 |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.