Words — 1 found
diào yán
ㄉㄧㄠˋ ㄧㄢˊ
調 研
调 研
Simplified Traditional 调研 調研
  1. Verb
    1. to investigate and research
  2. 2. research
  3. 3. investigation
Hanzi — 2 found
yán ㄧㄢˊ 研 研
  1. 1. grind, rub
  2. 2. study, research
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diào ㄉㄧㄠˋ 調 調
  1. 1. transfer, move, change
  2. 2. tune
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