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单词
phon
释义
phons是phon的复数
phon
美
英
n.
【物】方
网络
唪
复数：
phons
英汉
英英
网络释义
n.
1.
【物】方
n.
1.
a
unit
of
subjective
measure
of
loudness
level
.
The
level
in
phons
is
equal
in
number
to
the
sound
intensity
of
a
1,000-
hertz
reference
sound
,
measured
in
decibels
,
judged
to
be
the
same
loudness
as
the
measured
sound
.
1.
唪
LOUDNESS LEVEL 响度阶 声音响度的量测以
唪
(
Phons
)表示。即频率为一千赫的声音在自由音场行进时面对著音源的听者所 …
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更新时间：2025/2/7 3:53:07