制动轮表面锈蚀、磨损严重时,摩擦力减小,制动力矩下降,因此制动轮表面凸凹不平度不能大于()mm。
A. 0.5
B. 1.0
C. 1.5
D. 2.0
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1999年12月,美国国家工程院评选委员会遴选20世纪对社会产生最大影响的工程成就,列为第一项的就是()。
A. 机械化
B. 工业化
C. 电气化
D. 智能化
我国国务院在公布国家级非物质文化遗产代表名录时对非物质文化遗产是如何分类的,这种分类是否科学?请加以评析。
据一则史料表明,在20世纪70年代西方石油价格上涨后,中国领导人华国锋也在考虑想在中国建十个大庆油田。从这则史料,你可以知道石油供给价格弹性()
A. 短期内缺乏弹性,长期内富有弹性
B. 短期内缺乏弹性,长期内缺乏弹性
C. 短期内富有弹性,长期内富有弹性
D. 短期内富有弹性,长期内缺乏弹性
You have a single Active Directory directory service domain. All client computers run either Windows Vista or Windows XP. You create and configure a Group Policy object (GPO) named Secure Client Computer. You need to ensure that the Secure Client Computer GPO is automatically applied to current and future Windows XP client computers. What should you do?()
A. Create a WMI filter that limits the scope of the Secure Client Computer GPO to the Windows XP operating system. Link the WMI filter to the GPLink the GPO to the domain.
B. Create a global security group that contains all of the Windows XP client computers. Edit the permissions of the Secure Client Computer GPO to allow the global security group the Read and Apply Group Policy permissions. Link the Secure Client Computer GPO to the domain.
C. Use the Delegation of Control Wizard at the domain level, and delegate the Generate Resultant Set of policy (Planning) right to the Windows XP client computers. Link the Secure Client Computer GPO to the domain.
D. Use the Delegation of Control Wizard at the domain level, and delegate the Generate Resultant Set of policy (Logging) right to the Windows XP client computers. Link the Secure Client Computer GPO to the domain.