影响闸瓦产生制动力的因素主要有闸瓦材质、列车运行速度、闸瓦压强和（）。 ["轨道状态","踏面状态","闸瓦重量","制动初速"]
Which of the following software features/products are available at additional cost for the StorwizeV7000?（） [" Thin Provisioning, Easy Tier, FlashCopy "," FlashCopy, Fastback for Storwize, External Virtualization "," Easy Tier, TPC for Disk Midrange Edition, TPC for Replication "," TPC for Disk Midrange Edition, TPC for Replication, External Virtualizatio"]
周卫报告中指出：“课程改革实施――（）可以引导教师一步步走进新课程。”
血管止血作用的调控，下列哪项是错误的（） ["受神经调控","受体液调控","二者通过拮抗作用调控","二者通过协同作用调控"]
Which two statements are true regarding the SGA_TARGET initialization parameter（） ["It can be increased up to the value of the SGA_MAX_SIZE parameter.","Increasing the value of the SGA_TARGET parameter distributes the increased memory among all the Autotuned components.","Reducing the value of the SGA_TARGET parameter deallocates memory from both autotuned and Manually sized components.","Increasing the value of SGA_TARGET up to the value of SGA_MAX_SIZE disables the automatic shared Memory management feature."]
国家电网公司对风电场的低电压穿越的基本要求是什么？
