正常运行时,转阀液压系统中的()活塞在液压油的压力作用下作周期性的伸出、缩回动作。
A. 液压油箱
B. 液压油软管
C. 蓄压器
D. 液压缸
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网络广告计价方法中的CPM指的是()。
A. 行动成本计价法
B. 千人成本计价法
C. 点击成本计价法
D. 时间成本计价法
民航空管运行单位应当建立安全评估机制,安全评估分为()和()
A. 事前评估;事后评估
B. 定期评估;不定期评估
C. 特殊评估;平时评估
D. 事前评估;跟踪评估
按照认知心理学的观点,机械学习有意义学习划分的主要依据是()
A. 新旧知识是否建立非人为实质性的联系
B. 学习是否主动学习,反复练习
C. 要学习主要内容是教师呈现还是由学生发现
D. 学习的目的是解决问题还是获得知识
Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 (SP2).You have two servers named Server1 and Server2. Server2 is on an isolated network segment. Both servers run Windows Server Update Services (WSUS) 3.0 and have the same WSUS configurations. You copy the WSUS updates from Server1 to Server2.You need to ensure that Server2 has the same WSUS approvals as Server1. What should you do?()
A. On Server1, run wsusutil.exe and use the export parameter. On Server2, run wsusutil.exe and use the import parameter.
B. On Server1, run wsustil.exe and use the movecontent parameter. On Server2, run wsustil.exe and use the movecontent parameter.
C. On Server1, export the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Update Services\Server\Setup registry key. On Server2, import the registry key.
D. On Server1, create a backup of the %systemdrive%\WSUS\ folder. On Server2, restore the backup.&e