基本潮流模型是根据各母线注入功率计算各母线的电压和相角。母线分三种型:();();()。
A、PV
B、PQV
C、UI
D、PQ
E、Vθ
参考答案:A, D, E
(2013·辽宁,34)He may win the competition,________he is likely to get into the national team.
A.in which case
B.in that case
C.in what case
D.in whose case
黏膜下子宫肌瘤的临床表现有()
A.宫颈刮片细胞学检查
B.分段诊断性刮宫
C.接触性出血
D.月经量增多
E.绝经后 * * 不规则出血