本底調查

background investigation

root / stem / origin / source / this / the current / original / inherent / originally / classifier for books, periodicals, files etc

background

(equivalent to 的 as possessive particle)

background / bottom / base / end (of the month, year etc) / remnants / (math.) radix / base

to transfer / to move (troops or cadres) / to investigate / to enquire into / accent / view / argument / key (in music) / mode (music) / tune / tone / melody

to harmonize / to reconcile / to blend / to suit well / to adjust / to regulate / to season (food) / to provoke / to incite

investigation / inquiry / to investigate / to survey / survey / (opinion) poll / CL:項|项[xiang4],個|个[ge4]

surname Zha

to research / to check / to investigate / to examine / to refer to / to look up (e.g. a word in a dictionary)

variant of 楂[zha1]