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单项选择题

以下对于华为 Probe& Asisstant软件侧掉话率公式定义正确的是哪项?()

    A Call Drop Rate=ERAB Abnorm Rel/ERAB Normrel*100%
    B Call Drop Rate=ERAB Abnorm Rel/ERAB Release Total*100%
    C Call Drop Rate=ERAB Abnorm Rel/RRC Connection Setup Success+100%
    D Call Drop Rate=ERAB Abnorm Rel/ERAB Setup Success+100%
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