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v2 Chapter 536 Gospel for the blind
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... d display related virtual information, which is what we often call advertising and other content
不同 The different display powers of the virtual reality projection equipment naturally have different picture sizes.
Small devices can be used by ordinary roadside stores, replacing the original physical billboards, which can make the information displayed more gorgeous and rich.
Medium and large devices are much more powerful. From a dozen meters to tens of meters or even hundred ...
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