微生物变异的实质是什么？微生物突变类型有几种？变异表现在哪些方面？
You are upgrading to the Oracle 10g Database and will use the Automatic Shared Memory Management feature of the Oracle 10g Database. Which background process serves as the SGA memory broker that coordinates the sizing of the memory components？（） MMAN。 PMON。 MMON。 MMNL。
【背景资料】某9层住宅项目，某装饰施工单位负责内外装饰装修，装饰内容较多，竣工后不久发现部分楼层水泥砂浆地面大面积起砂、空鼓、裂缝，外墙砖空鼓、脱落等。
请根据背景资料完成相应小题选项外墙釉面砖、无釉面砖，表面应平滑质地坚固，尺寸、色泽一致，不得有暗痕和裂纹，吸水率不得大于12%。
关节活动范围（ROM）
What is an advantage of using an HMC rather than IVM for system management?（） Support for a single VIO Server environment。 Adapters can be dedicated or virtual for each LPAR environment。 Interfaces with Systems Director to manage the Power Systems servers。 Supports multiple Power Systems servers from a single point of control。
How can a JFS2 filesystem be added to a volume group that has insufficient space to host a log LV？（）
