... background adverse ratio 背景反差比 target-to-background ratio 靶本底比值 tumor-to-background ratio 肿瘤 ; 瘤 ; 本底比值 ...
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In the new energy model, the homogeneity of a target and its area ratio to background was pay attention to.
针对这一问题给出了改进的拟合能量模型，新模型兼顾到了目标的同质性信息与其所占面积比例的关系。
The invention relates to a target source with adjustable contrast ratio. The target of the target source is arranged between target integrating sphere and background integrating sphere;
本发明涉及一种可调对比度目标源，该目标源的目标在目标积分球与背景积分球之间；
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