空白背景blank bac吨round原子光谱分析中测定空自 溶液时所出现的信号，即空白信号(blank s嗡nal : o测定试样 所得结果便包含了这部分背景信号。故正确的恻定值应扣除 空白背景听产生的信号。
该空间采用了混凝土地板和白墙。另一方面，白墙也可用作悬挂艺术品的空白背景。
The space has concrete floors and white walls intended as a blank backdrop for hanging artwork.
患眼分辨局部形状的错误率受背景的影响，当复合图形呈现在空白背景上时较高，而呈现在由十字组成的背景上则较低。
Interestingly when viewing the stimuli with the amblyopic eye subjects made more errors to local targets when the compound stimuli were presented against the blank than the cross background.
它们通常出现在大型的周日版报纸上，需要大量的背景故事来填补广告之间的空白。
They usually appear in the big Sunday editions where they need a lot of background stories to help fill off the space between the ads.
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