正翻译步骤 16
步骤 16
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A bit of adhesive secures each lens, but it doesn't take much to pop them out.
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We note a set of concentric rings in each lens—the familiar indicator of Fresnel lenses.
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Etched right into the side of the lens, we find the smallest QR code we've ever seen. Despite our best efforts, we can't get it to scan.
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