本底调查 běn dǐ diào chá

background investigation

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. background investigation

Characters

Character Meaning
本 běn HSK 1
this; the current; original
底 dǐ HSK 4
bottom; base; end (of the month, year etc)
调 diào HSK 3
to transfer; to move (troops or cadres); to investigate
查 chá HSK 3
to check; to examine