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emission

英 [iˈmɪʃn]

美 [iˈmɪʃn]

n.  (光、热、气等的)发出,射出,排放; 排放物; 散发物

复数:emissions 

CET6TOEFLIELTSTEM8医学

Collins.2 / BNC.3483 / COCA.2915

牛津词典

    noun

    • (光、热、气等的)发出,射出,排放
      the production or sending out of light, heat, gas, etc.
      1. the emission of carbon dioxide into the atmosphere
        向大气排放二氧化碳
      2. emission controls
        排放控制
    • 排放物;散发物
      gas, etc. that is sent out into the air
      1. The government has pledged to clean up industrial emissions.
        政府已保证要清除工业排放物。

    柯林斯词典

    • N-VAR 散发;释放;放射
      Anemission ofsomething such as gas or radiation is the release of it into the atmosphere.
      1. The emission of gases such as carbon dioxide should be stabilised at their present level...
        二氧化碳等气体的排放应该稳定在当前水平。
      2. Sulfur emissions from steel mills become acid rain.
        炼钢厂排放出的硫形成了酸雨。

    英英释义

    noun

    • the act of emitting
        Synonym:emanation
      1. the occurrence of a flow of water (as from a pipe)
        1. any of several bodily processes by which substances go out of the body
          1. the discharge of pus
          Synonym:dischargeexpelling
        2. the release of electrons from parent atoms
          1. a substance that is emitted or released
              Synonym:discharge

            双语例句

            • The fluorine emission characteristics and industrial experiment results of fluorine retention during coal combustion in fluidized bed were reported.
              分析了流化床煤燃烧氟析出特性,并进行了流化床石灰石燃烧固氟试验。
            • The output of Amplifier has a filter, which can inhibit the out-off-band harmonic waves and unwanted emission component.
              放大器的输出接有滤波器,可有效抑制带外谐波和无用发射分量。
            • Analyzed the existing problems in CDQ emission control system, detailed the modification process of environmental emission control system.
              分析了干熄焦除尘系统存在的问题,对环境除尘系统的改造过程做了详述。
            • In cathode ray tube display, the continuation of light emission from phosphor after excitation by the electron beam.
              在阴极射线管显示器中,用电子束激励后荧光物质光发射的持续现象。
            • Who conducted the experiment of hydrogen emission spectrum in a magnetic field.
              塞曼做了一个,磁场中的氢原子光谱实验。
            • Formaldehyde emission testing on wood panel and finished goods;
              木板和成品的甲醛释放测试;
            • The effects of external cavity feedback on the threshold gain and emission linewidth are discussed theoretically;
              理论上分析了外腔的引入对激光器的阈值增益和光谱线宽的影响;
            • Based on the advantages and shortages of EMD, it is the first time to use this method to Acoustic Emission Testing.
              在分析了EMD方法的优点和不足的基础上,首次提出将该方法应用于声发射检测中。
            • Waste ( methane emission) management and construction of energy efficient housing;
              废料(甲烷排放)管理和节能房屋的建设;
            • This is the mathematical basis of computed tomography and positron emission tomography.
              这是计算机层析成像和正电子层析成像的数学基础。