知識社｜冷知識 06｜為什麼 QR Code 一定有三個大方格？ Why Do QR Codes Always Have Three Large Squares?
無論掃描付款碼、登入網站，還是查看餐廳餐牌，你都會看見 QR Code 三個角落的大方格。它們並不是裝飾，而是讓手機能夠快速辨識 QR Code 的重要關鍵。 Every QR Code features three large squares positioned at its corners. They may look like decorative…
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