non-vanishing編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看non-vanishingnon-vanishing — 形容詞形容詞1. Not equal to zero; not becoming zero.1.形容詞釋義非零的Not equal to zero; not becoming zero.例句The function has a non-vanishing derivative at that point.