变压器绝缘油验收标准规定:220kV水分≤()(mg/L)。
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在pH=3~9条件下,Fe2+与邻二氮菲生成哪一种颜色的配合物()
A. 红色
B. 兰色
C. 绿色
D. 橙红色
宪法规定中华人民共和国国家主席和副主席任职最低年龄是几岁?
Your virtual environment includes Windows Server 2008 R2 Hyper-V servers. The test and development teams are developing a distributed application. The application requires a domain controller, a server that runs Microsoft SQL Server, an application server, and a client computer. The application uses pass-through authentication. You need to ensure that at the time of a failure, the test team can reproduce the error and provide the application in the state in which it existed when the error occurred to the development team for continued analysis. You must achieve this goal while minimizing storage requirements. What should you do?()
A. Snapshot and export all servers
B. Snapshot and export only the application server
C. Snapshot the application server, and back up the SQL Server database
D. Snapshot and export only the domain controller and the client computer
是指企业在选择会计处理方法时应当尽可能不高估资产或收益,对企业可能发生的负债和费用作出合理的预计。此表述体现了()
A. 可比性原则
B. 谨慎性原则
C. 客观性原则
D. 配比性原则