本底调查
Traditional form:
本底調查
Pinyin (reading):
běndǐdiàochá
Definitions:
- background investigation
Characters:
- 本 - root, origin, source; basis
- 底 - bottom, underside; below, underneath
- 调 - tune, melody, key; to transfer, to exchange
- 查 - to investigate, to examine, to look into
Traditional characters: