为提高供电可靠性,供电设备计划检修时,对35KV及以上电压供电的用户的停电次数,每年不应超过()次。
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根据多普勒效应研制出的多普勒雷达分为连续波多普勒雷达和脉冲多普勒雷达。
A. 正确
B. 错误
目前,世界上有三种宪法监督模式,即议会或权力机关监督模式、普通法院监督模式、专门机构监督模式()。
A. 社会组织监督模式
B. 议会或权力机关监督模式
C. 普通法院监督模式
D. 专门机构监督模式
In your multitenant container database (CDB) containing pluggable databases (PDB), users complain about performance degradation. How does real-time Automatic database Diagnostic Monitor (ADDM) check performance degradation and provide solutions?()
A. It collects data from SGA and compares it with a preserved snapshot.
B. It collects data from SGA, analyzes it, and provides a report.
C. It collects data from SGA and compares it with the latest snapshot.
D. It collects data from both SGA and PGA, analyzes it, and provides a report