Table 4. Ablation study on model structure.

Baseline	PLAB	DAL-G	DAL-L	OA(%)	mAcc(%)
√				92.4	89.4
√	√			92.6	89.9
	√	√		92.7	90.1
	√		√	92.6	89.9
		√	√	93.1	90.5
	√	√	√	93.3	91.1