排查

páichá
  1. to inspect
  2. to run through a checklist
  3. to take stock
  4. to audit

CEDICT

to investigate one by one to rule out something; to scope in order to crack a case

Wiktionary

Entry Composition

1 排 pái
  1. a row
  2. a line
  3. to set in order
  4. to arrange
  5. to line up
  6. to eliminate
  7. to drain
  8. to push open
  9. platoon
  10. raft
  11. classifier for lines, rows etc
2 查 chá
  1. to research
  2. to check
  3. to investigate
  4. to examine
  5. to refer to
  6. to look up (e.g. a word in a dictionary)

Related entries

检察 jiǎnchá
  1. to inspect
  2. (law) to prosecute
  3. to investigate
检视 jiǎnshì
  1. to inspect
  2. to examine
检阅 jiǎnyuè
  1. to inspect
  2. to review (troops etc)
  3. military review
检验 jiǎnyàn
  1. to inspect
  2. to examine
  3. to test
稽 jī
  1. to inspect
  2. to check
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