【单选题】以下关于节点电压法,正确的是()
A.
以结点电压为未知量列写电路方程分析电路的方法。适用于结点较多的电路。
B.
结点电压法列写的是结点上的KCL方程,独立方程数为:n-1。
C.
任意选择参考点:其它结点与参考点的电位差即为结点电压(位),方向为从独立结点指向参考结点。
D.
结点的自电导等于接在该结点上所有支路的电导之和。
【单选题】关于极坐标形式下的潮流方程,表述正确的是
【单选题】Jane _ to phone me last night, but she didn’t.
【单选题】Can you choose the most appropriate words to describe sounds in the following description? Countrymen, butchers, drovers, hawkers, boys, thieves, idlers and vagabonds of every low grade, were mingled ...
A.
whistling, bellowing, bleating, barking, grunting
B.
whistling, barking, bleating, bellowing, grunting
C.
bellowing, barking, bleating, grunting, whistling
D.
whistling, barking, bellowing, bleating, grunting
【简答题】根据括号内的汉语提示,完成句子。 1. Han Han has __________ (写) some popular novels in the recent years. 2. The young couple had great fun __________ (躺) on the beach in Hawaii. 3. The tourists from home and abroad lo...
【判断题】我们已经实现小康生活,还谈节约和艰苦奋斗干什么呢?
【单选题】Can you choose the most appropriate words to describe sounds in the following description? Countrymen, butchers, drovers, hawkers, boys, thieves, idlers and vagabonds of every low grade, were mingled ...
A.
whistling, barking, bleating, bellowing, grunting
B.
whistling, barking, bellowing, bleating, grunting
C.
bellowing, barking, bleating, grunting, whistling
D.
whistling, bellowing, bleating, barking, grunting