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alpha meaning in English

n.
1.阿尔法〔希腊语字母表首字母α,相当于英语的 a〕。
2.最初。
3.【天文学】α 星,主星。
短语和例子

Examples

  1. The theory of alpha decay utilizes this model .
    衰变理论用了这种模型。
  2. Most of the alpha particles would go right through the foil .
    大多数粒子总是笔直地穿过簿箔。
  3. Thus the alpha particle is an exceptionally stable nuclear structure .
    由此可见,粒子是一种特别稳定的核结构。
  4. Alpha particles emitted by radioactive nuclei have energies of a few mev .
    由放射性原子核发射出的粒子能量一般为几个Mev。
  5. Alpha particles are positively charged helium nuclei obtained from natural radioactive decay .
    粒子是从天然放射性蜕变得到的带正电的氦核。
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