单词	quadrant
释义	quadrant In a Cartesian coordinate system in the plane, the axes divide the rest of the plane into four regions called quadrants. They are numbered as in the figure, with the first quadrant being where x, y > 0. The numberings of the quadrants
随便看	abc conjecture abelian group abelian group Abelianization Abel, Niels Henrik Abel Prize Abel's Limit Theorem Abel's partial summation formula Abel's test Abel summation above abscissa absolute error absolute frequency absolute geometry absolutely continuous absolutely convergent series absolutely summable absolute value absorbing set absorbing state absorption laws abstract algebra abstraction abundant number

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