【判断题】同步电机励磁电流为交流,电枢电流为直流。( )
【单选题】下列 不属于面控系统的常用软件的是( )
【单选题】Musicians are exploring new ways of ______.
B.
featuring their music on the web
C.
selling their work on the web
D.
getting in touch with the consumers directly
【多选题】交通控制系统的控制模式从控制区域上可以划分为点控、线控和面控,以下属于面控系统的是( )
【判断题】Composing is a mysterious process.