Manufacturers currently are working to establish industry standards for digital ( ) and reception of the signals. ( 章节：4 难度：2)
- A、cable
- B、blouse
- C、desert
- D、transmission
正确答案:D
答案解析:有
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Manufacturers currently are working to establish industry standards for digital ( ) and reception of the signals. ( 章节：4 难度：2)
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