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Color and shape system for encoding and decoding data?keyword=Color and shape system for encoding and decoding data?keyword=Color and shape system for encoding and decoding data?keyword=Color and shape system for encoding and decoding data?keyword=Color and shape system for encoding and decoding data?keyword=Color and shape system for encoding and decoding data?keyword=Color and shape system for encoding and decoding data?keyword=Color and shape system for encoding and decoding data 专利,更快更准确