较差 jiàochājiàochà range Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: range All meanings 2 jiàochā 1 range 1jiàochà 1 mediocre 1 1 sentence for 较差 (jiàochā — range) 计算这组观测值的较差。 jìsuàn zhè zǔ guāncèzhí de jiàochā. Calculate the range for this set of observations. Source: Dong Chinese Dictionary