锅炉设计时使降水管的总截面积大于上升管总面积的() ["1\/2","1\/4一1\/3","1\/2一2\/3"]
在易飞ERP系统的物料需求计划子系统中,完成运行MRP的基础参数设置的模块不包含() [" 设置MRP参数模块"," 设置间距编号模块"," 生成物料需求计划模块"," 设置计划条件模块"]
(钟嵘的)‚自然英旨‛说(‚直寻‛说)
You have an Active Directory forest that contains a single site.Your organization contains the Exchange Server 2010 servers shown in the following table: All clients connect from the Internet by using IMAP4.You need to prevent some users from using IMAP4 to connect to the mailboxes Server5. What should you do?() ["Modify the IMAP4 retrieval settings on Server5.","Disable the IMAP4 mailbox feature for the mailboxes on Server5.","On Server5, configure Windows Firewall to block TCP port 25 and TCP port 110.","On Server5, configure Windows Firewall to block TCP port 110 and TCP port 995."]
事业单位实施政府采购的意义有()。 ["有利于提高财政资金使用效益","有利于实现单位自身利润最大化","有利于加强财政资金的监督","有利于宏观经济调控(市场、产业结构、民族产业)"]
信息系统安全性的目标是:(),(),()。