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Luca Alvarez: סף
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Luca Alvarez: eşik
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Luca Alvarez: 門檻
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Luca Alvarez: порог
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Luca Alvarez: κατώτατο όριο
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Luca Alvarez: しきい値
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Luca Alvarez: seuil
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Luca Alvarez: limite
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Luca Alvarez: Schwelle
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Luca Alvarez: umbral
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Luca Alvarez: threshold
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Luca Alvarez: Soglia