Read Edit View history 本底计数 běndǐjìshù background count Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 本底计数/本底計數 · běndǐjìshù · background count 2026/03/04 本底计数 / 本底計數 běndǐjìshù background count background count 测量前必须先扣除仪器的本底计数。 created sense Mar 4, 2026, 02:25 AM