Unverified50% confidenceSolutionExact time
对于类别数量适中、数据总量可控的场景，将全部类别数据混合从预训练BERT重新完整微调往往能得到最稳定、最优的效果，是多数实践者推荐的首选路径
1
Sources
50%
Confidence
Long-term
Relevance
7/13/2026
First Seen
Sources
BERT新增分类类别：增量微调的三种策略与灾难性遗忘解法
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