... background 背景，基础，本底 background count 本底计数 backing pump 前级泵 ...
基于3个网页-相关网页
background count rate 本底计数率
background d count 本底计数
count background 背景计数
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With music by Gluck, her favourite composer, in the background, the softly lit room is lined with portraits of the queen's inner circle (including handsome Count Axel Fersen, with whom she may have had an affair).
ECONOMIST: Marie-Antoinette
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