当三相交流电路的负载采用Y接线时，线电压等于相电压的（） √2倍。 √3倍。 0.707倍。 1.57倍。
A customer wants to run VMWare ESX on an x445 with a large number of virtual machines running Windows 2003 Server as a Disaster Recovery （DR） Site for the production environment. Which of the following questions would most impact the memory configuration？（） What version of VMWare ESX Server is being considered？。 Do the systems currently use Double Data Rate （DDR） memory？。 What is the total number of processors installed in the production systems？。 What is the total amount of memory currently being used across all the production systems？。
大体积混凝土运输过程中出现离析或使用外加剂进行调整时，搅拌运输车应进行快速搅拌，搅拌时间应不小于（）s。 30。 60。 90。 120。
对离心泵而言，对转子平衡影响最大的零件就是（）。 轴。 叶轮。 轴承。 平衡盘。
An IT services provider， has a new requirement for you to be able to field general calls concerning System x Servers as a backup function for a tech support person in your company. You have been told to pass on anything that requires more of a solutions-based answer and only answer questions regarding what option goes with what servers. What tool best accomplishes this task？（） IBM Configurations and Options Guide。 IBM Server Proven。 IBM System x Sales Configuration Aid。 IBM xREF Sheets。 IBM Standalone Solutions Configuration Tool。
园所内各项规章制度应保持目标一致并相互补充，形成整体系统，而不能相互矛盾。规章制度条文要简明具体，要有明确的业务规范要求、工作程序的基本方法，便于记忆和操作。这是幼儿园规章制度（）的体现。
