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#etv ክብደትን ይወስኑ የነበሩ የኪሎ ግራም ልኬት የብረት ሲሊንደሮች በፕላንክ ኮንስታንት በመባል በሚታወቀው የኳንተም ብዛት መተካታቸውን ያውቃሉ?

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Ethiopian Broadcasting Corporation is a national media which disseminates its news and programs world wide via Television,Radio and Website
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