The library search program uses a new combined forward and reverse search principle.

谱库检索应用新的正、反检结合型原理建成。

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My own advice: do a reverse image search on the photos they send you.

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Through a reverse photo search, Schulman discovers that Amanda's pictures belong to someone else.

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Big city dwellers do the same thing only in reverse when they take a drive into the country to shop in a quaint little town in search of something unique to buy or an off-the-beaten path restaurant.

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