A.強(qiáng),寬 B.強(qiáng),窄 C.弱,寬 D.弱,窄
A.0001~3FFF,00000001~00FFFFFF B.0001~3FFF,00000001~003FFFFF C.0001~FFFF,00000001~003FFFFF D.0001~FFFF,00000001~00FFFFFF