1) base line level
背景水平
1.
In order to understand base line levels of arsenic in organisms in the Daya Bay, determination and assessment of arsenic concentrations in the organisms collected from 15 stations of the Bay were carried out in 1993.
为了了解大亚湾海洋生物体Ａｓ含量的背景水平，１９９３年在大亚湾１５个测站采集了海洋生物样品，对其Ａｓ含量进行了测定和评价。
2) Background Levels of Influencing Forces
影响力背景水平
3) background remove
水平背景移除
1.
Line type reflection can be filtered by background remove and 2-D filter; by comparing the migrated profiles with velocity in air and ground, the interpretation will become more exact.
应用水平背景移除、二维滤波可以有效滤除探测剖面中的水平和倾斜同向轴干扰信号;利用地下介质和空气中雷达波速进行偏移处理的资料进行对比解释可以有效提高解释的正确性。
5) local mircroseismic background level
局部脉动背景水平
6) background ink
背景黑水
补充资料：3K背景辐射
见微波背景辐射。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条