不定: indefinite; indeterminate数: frequently; repeatedly不定数据: indefinite data不定数额透支: fluctuating overdraft不定数串列重复区: variable number of tandem repeat定数: 1.(规定的数额) definite number2.(天命; 天数; 定命) fate; destiny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常数 定数: constant定数额: amount of norm定数器: scaler定数性: deterministic定数制: numerical rating system命运, 定数: destiny时定数: arc time constant未定数: indeterminate; undetermined number稳定数: stability number指定数: designation number; designation numeral不定式;不定的: infinitive被测定数: measured number标定数据: rating data测定数据: determination data定数等分: div *divide; measure me定数检验: fixed number testing定数试验: fixed number testing定数振动: determination vibration