单项选择题
移频自动闭塞制式,以采用电子组件为主,( )。
A、耗电省、体积小、重量轻
B、耗电大、体积小、重量轻
C、耗电省、体积大、重量轻
D、耗电省、体积小、重量重
移频自动闭塞制式,以采用电子组件为主,( )。
A、耗电省、体积小、重量轻
B、耗电大、体积小、重量轻
C、耗电省、体积大、重量轻
D、耗电省、体积小、重量重
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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.