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单词 quadratic
释义 quadratic
 —quadratically,  adv.  
 /kwo drat"ik/,  adj.  
  1. square.
  2.  Algebra.   involving the square and no higher power of the unknown quantity; of the second degree.
  n.  
  3. a quadratic polynomial or equation.
 [1650-60; QUADRATE + -IC]
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