下列有关南北朝时期经济发展特点的表述中,不正确的是()。 ["江南迅速开发","士族庄园经济占重要地位","商品经济发达","各民族经济交流加强"]
WebSphere Application Server supports performance data collection using the Performance Monitoring Infrastructure (PMI). Which tool supports PMI and would be best to analyze the WebSphere Commerce runtime EJB, JVM and thread pool stats?() ["WebSphere Commerce Analyzer","Tivoli Performance Viewer.","Tivoli Web Site Analyzer.","DB2 Intelligent Miner for Data."]
刮研时,为了使显示的研点大些,便于看清楚,精刮时应将显示剂调稀些。
教师经验要靠课例来()。
An operator needs to create /dir1/dir2/dir3. The /dir1 does not exist. What command can be used to create dir2 and dir3?() [" mkdir \/dir1\/dir2\/dir3"," mkdir -R dir1\/dir2\/dir3"," mkdir -p \/dir1\/dir2\/dir3"," mkdir -r \/dir1\/dir2\/dir3"]
评定运动技术的标准是()和()。