signal
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Everyone's goal is to maintain a great health condition, and at the same time to take care of their body, so it can do its basic living functions. That's why ...
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Digital signal is already widely standard in all developed countries of the world, and the transition from analog, terrestrial signal to digital signal means ...
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TV is an important part of people’s lives. Not only does it keep us entertained during the day, but it also provides us with much-needed relaxation. ...