英语释义

• the amplitude level of the undesired background noise

片语

background value[物] 背景值

background current基流；本底电流；[生理] 背景电流；基值电流

background noise level背景噪声级

background doping level本底掺杂浓度

unidirectional background water level fluctuation单向性背景水位变化

background radiation level一般背景辐射值

background d level背景水平

background activity level本底放射性水平

natural background level自然基準

allowable background level容许本底水平

Design Background noise level设计背景音量

英汉例句

• 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。」

• china first introduced the historical merits of prison enterprises and separated from the background level supervisor, then, introducing social enterprise theory to the prison enterprise revelation;

  首先介绍了中国监狱的历史功绩和中国监狱的现状等背景；然后，引入社会企业理论对监狱企业的启示；

• 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.

  本文以河北省退化山场土壤为研究对象，采用退化山场野外取土和人工爆破新成土壤的盆栽试验等方法，研究退化山场土壤养分本底值以及退化山场土壤的培肥机理；

• 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。

• the new safety level is about 100 times higher than the background level of dust at ground level.

  新安全标準约是地水準平面尘埃本底水準的100倍，也比自火山喷发后在英国领空作科学研究的飞机所得的数据高很多；

• this paper completely introduces the investigation of environmental radioactive background level before the commissioning of power plant and environment monitoring system of power plant.

  文中较全面地介绍了电站运行前的环境放射性本底水平调查和电站的环境监测系统。

• the documentary trend of lin 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。