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UCAS-EasyTranslate

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Summary

Implement the evaluation and inference module (Person D's assignment):

Evaluation metrics (src/easytranslate/evaluation/metrics.py)

• SacreBLEU with Chinese tokenization
• COMET neural evaluation metric
• chrF++ and TER metrics

Decoding strategies (src/easytranslate/evaluation/decoding.py)

• Greedy decoding
• Beam search with length penalty
• Sampling with temperature, top-k, and top-p

Evaluator (src/easytranslate/evaluation/evaluator.py)

• Unified evaluation interface
• Batch evaluation support

Scripts

• scripts/evaluate.py: Evaluation entry point
• scripts/translate.py: CLI interactive translation + file translation