background level

基本解释

• 基值电流；背景值

同根派生

• background level相关词

英汉例句

双语例句

• The 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。
• 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.
  美国核管理委员会建议，在此背景辐射水平之上，公众每年可多承受不超过1毫希的辐射。
  blog.sina.com.cn
• The new safety level is about 100 times higher than the background level of dust at ground level.
  新安全标准约是地水准平面尘埃本底水准的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；

原声例句

• Critics say the national exam is biased, since it presumes a level of knowledge and cultural background that students from working class families may not have.

权威例句

• The new safety level is about 100 times higher than the background level of dust at ground level.
  ECONOMIST: Volcanoes and air travel: Small eruption in Iceland The
• The background level of tropospheric ozone is inexorably rising as volatile organic compounds are released from burning coal and oil.
  FORBES: Protesters To Target Koch Brothers' Secretive 'Billionaires Caucus'

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词组短语

短语

• Design Background noise level 设计背景音量
• background radiation level 一般背景辐射值;本底辐射水平
• background activity level 本底放射性水平;释义本底放射性水平;本底活度水平
• background doping level 本底掺杂能级
• background noise level 背景噪声级;背景杂波电平;最大背景噪声级

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专业释义

农业科学

• 背景值

机械工程

• 背景值

能源科学技术

• 背景水平