Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:In informal experiments, it‚Äôs found that only inserting LN cannot achieve satisfactory adaptation results, and inspired by [11], we combine fine-tuning output layer with Full-LN/LRPD-LN based method in the following experiments.
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