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[单选题]
DLT478-2013《继电保护和安全自动装置通用技术条件》中规定,当继电保护装置的交流电流在0.05IN-20IN范围内,相对误差应不大于()或绝对误差应不大于()。
A.5.0%,0.01IN
B.5.0%,0.02IN
C.2.5%,0.02IN
D.2.5%,0.01IN
查看答案
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A.5.0%,0.01IN
B.5.0%,0.02IN
C.2.5%,0.02IN
D.2.5%,0.01IN
A.信息安全风险评估应以自评估为主,自评估和检查评估相互结合、互为补充
B.信息安全风险评估应以检查评估为主,自评估和检查评估相互结合、互为补充
C.自评估和检查评估是相互排斥的,单位应慎重地从两种工作形式选择一个,并长期使用
D.自评估和检查评估是相互排斥的,无特殊理由的单位均应选择检查评估,以保证安全效果