• They are located in the Moon's orbit, equidistant from both the Earth and the Moon, with which form congruent equilateral triangles .

    他们位于月球地球距离相等的月球轨道上形成两个等边三角形。

    youdao

  • By means of congruent transformation in matrix, the method of transforming real quadratic form into standard form and the method of normal orthogonal basis are given in this paper.

    借助矩阵合同变换,给出次型标准方法、求标准正交基的方法,并给出了正定二次型判定定理的新证明。

    youdao

  • By means of congruent transformation in matrix, the method of transforming real quadratic form into standard form and the method of normal orthogonal basis are given in this paper.

    借助矩阵合同变换,给出次型标准方法、求标准正交基的方法,并给出了正定二次型判定定理的新证明。

    youdao

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