Based on which two conditions can master Preventive Maintenance （PM） schedules be created？（） elapsed time since the target start date or completion date of previous work generated by PM 。 difference between completion date of previous work and system date is equal to Lead Time 。 elapsed time since the target start date or completion date of the latest work orders for the asset。 metered equipment usage since the target start date or completion date of previous work generated by PM。 metered equipment usage since the target start date or completion date of the latest work order for the asset。
以下哪种行为属于投标人串通投标行为（）。 招标人预先内定中标人。 招标人向投标人泄露标底。 投标人之间互相约定抬高报价。 投标人向评标专家行贿。
在事件处理程序中定义的变量，其生命周期仅限于该过程。
地理信息
Using the LIST command in Recovery Manager （RMAN），which two pieces of information in the RMAN repository can be listed？（） stored scripts in the recovery catalog。 backups that can be deleted from disk。 backup sets and image copies are obsolete。 backups that do not have the AVAILABLE status in the RMAN repository。
电流互感器的运行情况与（）相似。
