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电话加权、广播加权、频段Ⅰ、频段Ⅱ、频段Ⅲ共五档。 15Hz~20kHz≤±2.0dB >28KHz时:≤-45dB 频段Ⅱ:3.4~150KHz≤±1.5dB <2KHz,>190KHz时:≤-45dB 频段Ⅲ:160KHz~30MHz≤±1dB 150KHz~30MHz≤±2dB 符合国际电信联盟(ITU)电话加权曲线规定。 符合国际电信联盟(ITU)广播加权 ...
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Will speak on Tuesday
Severe weather outbreak
Israeli attack in Gaza
Iran denies US claims
Cuba suffers power outage
Former NFL receiver dies
Staff placed on leave
North Macedonia deadly fire
Withdraws nomination
Syed formally resentenced
Jets sign Derrick Nnadi
Quake strikes Malibu area
NCAA '25 brackets revealed
Deported despite valid visa?
Former NY Rep. Lowey dies
To review F-35 jets purchase
Survives 95 days at sea
US deports Venezuelans
RU, UKR launch attacks
Pleads not guilty
Kellogg's envoy role reduced
Man set on fire in NYC
Laceration hazard recall
Felony gun possession arrest
Oklahoma wildfires
Man wins $50M over burns
Electrical fire halts show
ISIS leader killed in Iraq
Chiefs sign Tillery
SuperSonics icon dies
US expels SA ambassador
US mulls travel ban
Crew-10 arrives at ISS
Names new military chief
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