Which service component in the wireless operate phase helps isolate and resolve an incident?()
A. change management
B. configuration management
C. incident management
D. acceptance test pla
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零件有()尺寸等参数。
A. 基本
B. 实际
C. 极限
D. 设计
E. 计划
内力可以引起总势能的变化。
A. 正确
B. 错误