phon- 声音
der IP-Phon 网络电话
Phon Charoen 蓬乍能县
Charoen Phon 乍能蓬
Auti phon 对唱或问答唱
Muang Phon Hong 孟蓬洪
Trakan Phuet Phon 打干普奔县
N a unit of loudness that measures the intensity of a sound by the number of decibels it is above a reference tone having a frequency of 1000 hertz and a root-mean-square sound pressure of 20 × 10–6 pascal 坊; 响度单位
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