A.40.4L/s
B.31.3L/s
C.30.0L/s
D.21.8L/s
[单选题]A.40.4L/sB.31.3L/sC.30.0L/sD.21.8L/s
[单选题]A.40.4L/sB.31.3L/sC.30.0L/sD.21.8L/s
[单选题]A.条件(1)充分,但条件(2)不充分。B.条件(2)充分,但条件(1)不充分。C.条件(1)和条件(2)单独都不充分,但条件(1)和条件(2)联合起
[单选题]A.条件(1)充分,但条件(2)不充分。B.条件(2)充分,但条件(1)不充分。C.条件(1)和条件(2)单独都不充分,但条件(1)和条件(2)联合起
[单选题]A.33.84%B.32.84%C.28.84%D.26.84%
[多选题]A.1.5AB.0.5mAC.2.5A
[单选题]A.选定需要调整的增益曲线B.选择需要调整的频率C.降低低频增益D.增加中频增益E.降低高频增益
[多选题]A.该右耳属感音神经性聋B.动态范围较窄(约50dB)C.UCL平均值在100dBD.最大声输出有明显的限制要求E.该右耳属传导性聋