总结概括问诊内容为“十问歌”的医家是
A.张仲景
B.喻嘉言
C.张景岳
D.李时珍
参考答案:C
某生产企业设若干生产车间,已知该企业总计算负荷为Pjs=18MW Qjs=8.8Mvar,年平均有功负荷系数0.7、年平均无功负荷系数0.8,年实际工作5000h,年最大负荷利用小时数3500h,请回答以下问题。
该企业有一台10kV同步电动机,额定容量4000kVA,额定功率因数0.9(超前),负荷率0.75,无功功率增加系数0.36。计算该同步电动机输出的无功功率应为下列哪项数值( )
A.1760kvar
B.1795kvar
C.2120kvar
D.2394kvar
He moved away from his parents, and missed them()to enjoy the exciting life in New York.
A. too much
B. very much
C. enough
D. so much as