问题诊断

The fault diagnosis problem of active network is studied in this paper with the emphasis upon its solvability and diagnosability.

摘要本文有源网络故障诊断问题，著重可解性与可诊断性。

Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as "diagnoses" or "problems".

Z99系用于病历记录上诊断或问题为疾病、伤害或外因，即A00-Y89以外。