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【判断题】

空中信号干扰落在HFC网络传输频带内,不会导致数字电视信号指标劣化,引起机顶盒解码故障。

A.
正确
B.
错误
举报
参考答案:
参考解析:
.
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【单选题】数字电视机顶盒输出的信号是()。

A.
射频信号
B.
视频信号和音频信号
C.
中频信号
D.
数据信号

【单选题】The Future of the BBC As a boy growing up in the 1930s in the Midlands, Norman Painting, the son of a railway-man, listened to a new radio service from the British Broadcasting Corporation. His mother...

A.
the BBC’s educative role for the working class
B.
the popularity of the BBC in the 1930s
C.
BBC’s influence on ordinary people’s career development
D.
the British’s love for the BBC and its justification for governmental support

【多选题】有线数字电视VOD系统主要包括()

A.
VOD服务器
B.
节目采编系统
C.
存储系统
D.
认证计费系统
E.
流媒体服务器