Read Edit View history 调研 diàoyán HSK6 investigation Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 调研/ 調研 diàoyán investigation investigation and research; survey research Edit Delete 调研/ 調研 diàoyán to investigate to investigate and research Edit Delete References Add reference abbreviation 调研/調研 → 调查研究/調查研究 Edit Delete