〖ZK(
〖ZK(
三相变压器的短路阻抗Zk、正序阻抗Z1与负序阻抗Z2三者之间的关系是() A: Z1=Z2=Zk B: Zk=Z1=Z2/2 C: Z1=Zk=√3Z2 D: Zk=Z2=Z1/2
三相变压器的短路阻抗Zk、正序阻抗Z1与负序阻抗Z2三者之间的关系是() A: Z1=Z2=Zk B: Zk=Z1=Z2/2 C: Z1=Zk=√3Z2 D: Zk=Z2=Z1/2
3. has become the first pandemic of the 21st Century. A: The Spanish flu B: Swine flu C: Hong Kong flu D: Asian Flu
3. has become the first pandemic of the 21st Century. A: The Spanish flu B: Swine flu C: Hong Kong flu D: Asian Flu
三相变压器的短路阻抗Zk、正序阻抗Z1与负序阻抗Z2三者之间的关系() A: Z1=Z2= Zk B: Zk=Z1=1/2Z2 C: Z1=Zk=√3Z2 D: Z1=Z2=1/2Zk
三相变压器的短路阻抗Zk、正序阻抗Z1与负序阻抗Z2三者之间的关系() A: Z1=Z2= Zk B: Zk=Z1=1/2Z2 C: Z1=Zk=√3Z2 D: Z1=Z2=1/2Zk
flu ← influenza flu是influenza的截短词。
flu ← influenza flu是influenza的截短词。
请写出vi编辑器保存退出、不保存退出的命令? A: wq qq B: wq zz C: wq x D: wq q!
请写出vi编辑器保存退出、不保存退出的命令? A: wq qq B: wq zz C: wq x D: wq q!
vi编辑器中保存退出的命令是 A: wq! B: wq C: :wq D: :q!
vi编辑器中保存退出的命令是 A: wq! B: wq C: :wq D: :q!
当电流的标么值相等,负载阻抗角也相等时变压器短路阻抗Zk%的大小对变压器电压变化率有影响() A: Zk%越大,电压变化率越大 B: Zk%越大,电压变化率越小 C: Zk%越小,电压变化率越大 D: Zk%越小,电压变化率越小
当电流的标么值相等,负载阻抗角也相等时变压器短路阻抗Zk%的大小对变压器电压变化率有影响() A: Zk%越大,电压变化率越大 B: Zk%越大,电压变化率越小 C: Zk%越小,电压变化率越大 D: Zk%越小,电压变化率越小
The title that best expresses the theme of the passage is" ______ ". A: Thailand Is Badly Influenced by Bird Flu B: Bird Flu Has No Influence on Developed Countries C: The Outbreak of Bird Flu Is Very Astonishing D: Bird Flu Causes Asian Stock Market Losses
The title that best expresses the theme of the passage is" ______ ". A: Thailand Is Badly Influenced by Bird Flu B: Bird Flu Has No Influence on Developed Countries C: The Outbreak of Bird Flu Is Very Astonishing D: Bird Flu Causes Asian Stock Market Losses
vim编辑器保存退出命令为() A: :wq B: wq C: q
vim编辑器保存退出命令为() A: :wq B: wq C: q