千分尺可以测量转动的被测表面。
The job to gather optimizer statistics for objects runs as part of the automatic maintenance window inyour database instance. At a certain point of time， the maintenance window closes before the statisticsare gathered for all objects. Which statement is true in this scenario（） The statistics collection continues until all objects are processed.。 The job is terminated and the statistics collected are restored to a time before the job started.。 This produces an error and the statistics collected are locked until the next time that the maintenancewindow is opened.。 The job is terminated and the statistics for the remaining objects are collected the next time that themaintenance window is opened.。
均衡充电电流取（）率 1小时。 5小时。 10小时。 20小时。
下列不属于开孔完毕的表现的是（） 能继续向下摇主轴。 向上摇主轴明显感觉比原来沉重。 听不到开孔刀切割管壁的声音。 主轴难以提取。
When you try to open your database， you receive the following error： ORA-00205： error in identifying controlfile Where would you find the details required to resolve this error？（） audit trail。 alert log file。 user trace file。 online trace file。 background trace file。 operating system event viewer。
按ISO/IEC20000建立和实施服务管理体系并通过认证就意味着（）
