background level信息详情
基值电流；背景值
background───vt.作…的背景；adj.背景的；发布背景材料的；n.背景；隐蔽的位置
cultural background───背景光补偿；背理测验；文化背景；背景知识
antipodean background───反模式背景
teal background───青绿色背景
education background───学历；教育背景；[法] 学历
level───n.水平；标准；水平面；vt.使同等；对准；弄平；adj.水平的；平坦的；同高的；n.(Level)人名；(法)勒韦尔；vi.瞄准；拉平；变得平坦
background check───背景调查；背景核对
checkerboard background───棋盘背景
deprived background───贫困的出身
new safety level is about 100 times higher than the background level of dust at ground level.───新的安全水平比地平面灰尘背景水平高出一百倍，也比从火山爆发以来测试飞机在英国上空所测的数据要高很多。
Yutang s "The Biography of Su Dongpo" epitomized in the documentary lacking of background level and event level.───林语堂《苏东坡传》的文献取向主要表现为背景层与本事层文献的缺项。
rice accumulates arsenic, he says, even the background level "is a problem for people who eat much rice in their diet."───尽管稻米中积累的砷含量较低，但史蒂夫.麦格拉思认为“人们在日常膳食中如果摄入过多的稻米，会对身体产生危害。”
Determination of organically bound tritium background level in biological samples from a wide area in the south-west of France.───法国西南部大面积区域生物样品中有机结合氚本底水平的测定…[中国核科技信息与经济研究院]。
Because rice accumulates arsenic, he says, even the background level "is a problem for people who eat much rice in their diet. "───尽管稻米中积累的砷含量较低，但史蒂夫.麦格拉思认为“人们在日常膳食中如果摄入过多的稻米，会对身体产生危害。”
Meanwhile in HUVEC cells, SP-Tat-Apoptin remained in the cytoplasm and no induction of apoptosis above the background level was observed.───同时，在HUVEC细胞中，SP-Tat-Apoptin仍停留在胞质中，没有观察到高于基础水平的凋亡被诱导。
Generally, all water has a natural background level of radiation that varies from place to place.───一般来说，在不同地域，所有水的背景辐射的含量各不相同。
Radioactive elements are at the normal background level, causing no deleterious pollution.
This research has been done for the background level of soil nutrients in degenerative mountains by fetching soils samples in field, fertilizing soil in degenerative mountains and pot experiment.
Because rice accumulates arsenic, he says, even the background level "is a problem for people who eat much rice in their diet."
This paper completely introduces the investigation of environmental radioactive background level before the commissioning of power plant and environment monitoring system of power plant.
Generally, all water has a natural background level of radiation that varies from place to place.
Meanwhile in HUVEC cells, SP-Tat-Apoptin remained in the cytoplasm and no induction of apoptosis above the background level was observed.
The documentary trend of Lin Yutang s "The Biography of Su Dongpo" epitomized in the documentary lacking of background level and event level.
The U.S. Nuclear Regulatory Commission recommends that beyond this background level, the public limit their exposure to less than an additional one millisievert per year.