focal points

 
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focal points的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

名詞 focal point:
  1. a point of convergence of light (or other radiation) or a point from which it diverges

  2. a central point or locus of an infection in an organism

  3. the concentration of attention or energy on something

focal points的相關(guān)資料:

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