A.ALS60B.ADS80C.UCWAD.RMK-TOP
A.240B.360C.520D.780
A.應(yīng)當(dāng)增大重疊度B.應(yīng)當(dāng)保持重疊度穩(wěn)定C.應(yīng)當(dāng)減小重疊度D.不用考慮重疊度