Sa mga nagdaang taon, elektronikong teknolohiya ng pagpapakita ng papel, na may likas na "berdeng mga katangian" tulad ng tulad ng papel na pagpapakita, mababang pagkonsumo ng kuryente, at pangmatagalang buhay ng baterya, ay naging aktibo s ....
With the rapid development and application of smart interactive technology in recent years, interactive flat panels have increasingly entered various aspects of everyday life—especially in meeting en...
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