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【多选题】下列智能变电站线路保护告警信息中，属于危急缺陷的是（ ）？
A.
GOOSE数据异常已造成装置告警影响保护正常动作
B.
反复出现GOOSE数据异常每次都可自动恢复
C.
链路中断
D.
偶发并可自动恢复
【单选题】Subways are underground trains, which usually operate 24 hours a day. They are found in larger cities and usually run between the suburbs and the downtown area. Maps and schedules are available from t...
A.
within downtown areas
B.
away from city centers
C.
in or outside big modern cities
D.
between suburbs and city centers