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Power converter
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Power converter
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Object features detection means and method
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Power factor correction circuit, control method and controller
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Method for detecting short circuit, short-circuit detecting circuit and D audio frequency amplifier
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A kind of semiconductor devices and preparation method thereof
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Optical sensor package component and preparation method thereof and electronic equipment
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Network controller, node equipment and grid network system with network controller and node equipment
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DC detection protection circuit and D type amplifier applying same
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Encapsulation structure and manufacture method thereof
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