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emission中文什么意思

[ i'miʃən ]发音:   用"emission"造句
  • n.
    1.(光、热、气体等的)发出,发射,射出,放射;传播。
    2.(纸币等的)发行;发行额。
    3.发出物,放射物。
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例句与用法

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  1. An example is the emission of light from matter .
    物质的发光即为一例。
  2. There was an audible emission of breath from the duke .
    这时听到公爵叹了一口气。
  3. Beta emission consists of electrons .
    射线由电子组成。
  4. The distinct processes are involved in x-ray emission .
    X射线的发射,包含不同的过程。
  5. A lumen is a measure of the rate of emission of light energy .
    流明是光能放射率的量度单位。

英文释义

名词
  1. the act of emitting; causing to flow forth
    同义词:emanation
  2. the occurrence of a flow of water (as from a pipe)
  3. any of several bodily processes by which substances go out of the body; "the discharge of pus"
    同义词:discharge, expelling
  4. the release of electrons from parent atoms
  5. a substance that is emitted or released
    同义词:discharge

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