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ۺ ط¿Ұ ʷ ģȭ å ǥ ȯ (Changing text presentation technology) ÷̾(Word player) ڵ ּ ˾ (Auto Pop-up Notes) ߴ.
÷̾ ü̵ ν ӵ(), ܾ ֵ ϸ, ̴ ﰢ ܾ Ǯ̸ ַ ذѴ. ۺ ָ ذϱ ν å Ѱ̶ å ɰϴ ŭ ÷ȴٴ å ü ָް ִ.
̿ ط Ҵ ѱ۱Ǻȣ ó å īǹ ǥ DRM ä ۺ ÷ Ӹ ƴ϶ Ȯν ̹ ϰ ƴٰ ٿ. ط Ҵ å ҽ Ȯ ַϰ , 2025 10 å ǥ ϰ ִ.
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ۺ ÷̽ ø̼ ٿ ̿ ϸ, å ۺ ¶ ִ.