A.<=0.5% B.<=0.2% C.<=0.1% D.<=0.01%
A.應(yīng)<=0.5秒 B.應(yīng)<=1秒 C.應(yīng)<=2秒 D.應(yīng)<=3秒
A.應(yīng)<=2ms B.應(yīng)<=1ms C.應(yīng)<=5ms D.應(yīng)<=3ms