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单词
voice frequency
释义
voice frequency
voice frequency
[
′vȯis ‚frē·kwən·sē
]
(communications)
An audio frequency in the range essential for transmission of speech of commercial quality, from about 300 to 3400 hertz. Abbreviated VF. Also known as speech frequency.
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polyvinyl fluoride
polyvinyl formal
poly-vinyl formaldehyde
polyvinyl-formaldehyde
polyvinyl formate resin
polyvinylidene
polyvinylidene chloride
poly-vinylidene dichloride
polyvinylidene difluoride
polyvinylidenedifluoride
polyvinylidene flouride co polymer
polyvinylidene fluoride
polyvinylidene resin
polyvinylidiene chloride
polyvinyl isobutyl ether
poly vinyl methyl ether
polyvinyl methyl ether
poly-vinyl octanal acetal
polyvinylphenol
polyvinyl polypyrrolidone
poly vinyl pyrrolidone
polyvinyl pyrrolidone
polyvinylpyrrolidone
polyvinylpyrrolidone-iodine
polyvinylpyrrolidone-iodine complex
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更新时间:2026/7/25 18:42:22