监测点

0.5a

0.5b

0.5c

1a

1b

1c

声压级/dB

127.476

125.16

121.293

118.493

116.974

114.791

监测点

−0.5a

−0.5b

−0.5c

−1a

−1b

−1c

声压级/dB

123.692

122.257

119.824

117.97

116.772

114.971