偏离: deviate; diverge; deflect; d ...不定: indefinite; indeterminate度: surmise; estimate不定度: degree of indeterminacy; degree of uncertainty; uncertainty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频率不定度: frequency 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偏离: deviate; diverge; deflect; departure; drift; offset; wander 偏离航线 drift off the course; 偏离正道 stray from the right path; 偏离党的路线 a departure from the party line; 偏离轨道 offset track; 偏离航路 [航空] off-airways; 偏离航向 [航空, 航海] sheer; off-course; 偏离角 angle of deviation; aspect angle; slip angle; 偏离误差 biased error不定: 1.(表示不肯定) indefinite; indeterminate 我明天还不定来不来呢。 it's not at all certain whether i'll come tomorrow. 他一天不定来多少次。 i don't know how many times he comes a day. 事情还不定怎样呢。 it's hard to predict how things will turn out.2.(不稳定) unsteady; drifting; fitful 方向不定的风 a fitful wind; 漂泊不定 drifting from place to place; 心神不定 unsteady in mind; 不定代词 [语言学] indefinite article; 不定冠词 [语言学] indefinite article; 不定式 [数学] indeterminate form; [语言学] infinitive; 不定收入 transitory income离不开: 1.(不可缺少) can't do without 我们离不开群众的帮助。 we can hardly do without the help of the masses.2.(太忙走不开) too busy to get away不离不弃: for your insisting on niceness; to change your eternally promise; to your memorize of the goodliness离不开键盘: eating at keyboard离不开你: cant stay away from you; stuck on you离不开人儿: always need sb. to care for离不开身儿: cannot afford to get away for a moment离不开手儿: too busy to get away from what one is doing; be too busy with the job on hand; have one's hands full离不开手杖: can not go without a walking stick