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second power    我要挑错精准翻译

参考词典中second power的常规释义:

基本释义
  • 平方,二次幂
英英解释
  •  1个名词解释

    1. the product of two equal terms
      [同] second power, square
      [例]
      • nine is the second power of three
      • gravity is inversely proportional to the square of the distance
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