[填空题] 香港及澳门的文学在1999年回归之前，仍然具有“（）”的性质。

以下哪个图标表示禁止启动（） ["","","",""] Examine the following commands for redefining a table with Virtual Private Database (VPD) policies: Which two statements are true about redefining the table?（） [" All the triggers for the table are disabled without changing any of the column names or column types in the table."," The primary key constraint on the EMPLOYEES table is disabled during redefinition."," VPD policies are copied from the original table to the new table during online redefinition."," You must copy the VPD policies manually from the original table to the new table during online redefinition."] Which three service components belong to the operate phase（） ["Change Management","Operations Implementation","System monitoring","Incident Management","Operations Assessment"] 磨损的三个主要特征： 简述分段模型的计算方法？ 香港及澳门的文学在1999年回归之前，仍然具有“（）”的性质。