在两路输入交流电源转换期间,采用续流技术的直流电源(不含直流电动转辙机电源、闭塞电源)、25Hz电源应保证不间断供电。
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The multithreaded agent architecture for heterogeneous services is similar to the Oracle multithreaded server architecture. The principal difference is that it used threads instead of processes. What are thee kinds of threads that it uses?()
A. TCP
B. Task
C. Monitor
Dispatcher
E. Shared Server
F. Shutdown addre
在因素比较法中所选择的标杆职位数量一般为()个。
A. 10~15
B. 15~30
C. 15~20
D. 30~40