单项选择题
DS1102E数字示波器测量的是哪些电信号?
A.电压
B.电容
C.电流
D.电感
DS1102E数字示波器测量的是哪些电信号?
A.电压
B.电容
C.电流
D.电感
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单项选择题
Whatis wrong about the development of news?()
Whatis wrong about the development of news?()
A.After
the camera is widely used, the picture news will flourish.
B.After
the application of TV and camera, there will be live news.
C.The
emergence of VR technology will give birth to panoramic news.
D.Panoramic
news can be broadcast in the traditional way without new platform.