Mechanical model of roll-performing is built based on static state.
在准静态的前提下，建立了碾压整形力学模型。
参考来源 - 套损井修复中水泥环的损伤研究·2,447,543篇论文数据，部分数据来源于NoteExpress
If the code performing the actions decides not to commit or cannot commit successfully, then it must roll back the transaction to undo the actions.
如果代码执行的操作决定不进行提交或者不能成功提交，那么它必须回滚该事务以取消这些操作。
The results of performing a roll-forward recovery operation could differ slightly from replaying the logs on the standby database using HADR.
执行前滚恢复操作的结果与使用 HADR 在备用数据库上重播日志的结果略有不同。
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