indefiniteadj.模糊的；不确定的；无限期的indefinite determiners非限定因素indefinite uterus sign宫影模糊征[超声异位妊娠征象之一]indefinite -equation不定方程indefinite appointment不定期任期indefinite integration不定积分法indefinite repeat block不定重复分程序块indefinite innerproduct不定内积indefinite noun phrases非限定性名词短语indefinite postponement无限延期indefinite knowl-edge不确定性知识