有效性 yǒuxiàoxìng validity Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 我们需要验证这份数据的有效性。 wǒmen xūyào yànzhèng zhè fèn shùjù de yǒuxiàoxìng. We need to verify the validity of this data. Source: Dong Chinese Dictionary