O que (quem) é HF - definição
WIKIMEDIA DISAMBIGUATION PAGE
Hf; HF (disambiguation); H.F.; H.f.; Hf.; H F
HF
Have Fun (Reference: telecommunication-slang, Usenet, IRC)
Hf
¦ symbol the chemical element hafnium.
HF
¦ abbreviation Physics high frequency.
Exemplos de pronúncia para HF
1. HF: That's exactly right.
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2. HF: Well, no.
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3. HF: Wow! Well --
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4. HF: Right, no question about it.
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5. That was our HF radio antenna.
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Exemplos do corpo de texto para HF
1. Nokia Nokia has introduced its first speakerphone — stylish Nokia Speakerphone HF–300.
2. Only 50 of them now use HF – half the number that used it a decade ago.
3. There has also been speculation that the Icelandic investment organisation Baugur Group HF could make a bid.
4. The others have switched to safer alternatives like sulfuric acid or the modified HF that doesn‘t turn into a gas.
5. "[Modified HF] sounds promising, but each plant is different and each decision is made refinery by refinery.