频率: frequency; rate不定: indefinite; indeterminate度: surmise; estimate频率不稳定度: frequency i tability; frequency instability不定度: degree of indeterminacy; degree of uncertainty; uncertainty概率不确定度: probable uncertainty频率不对: wrong frequency不定度,赘度: degree of indeterminacy ( or redundancy)不定度符号: uncertainty symbol不定度量: indefinite metric不定度水平: uncertainty level不定度圆锥: cone of uncertainty; uncertainty静不定度: degree of statical indeterminancy偏离不定度: bias uncertainty剩余不定度: residual uncertainty随机不定度: random uncertainty相对不定度: relative uncertainty相位不定度: phase uncertainty频率不规则性: frequency irregularity频率不稳定性: frequency i tability; frequency instability白细胞比率不定: anisoleukocytosis; anisonormocytosis频率稳定度: frequency stability长期频率稳定度: long-term frequency stability短期频率稳定度: short term frequency stability; short-term frequency stability激光频率稳定度: laser frequency stability