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单词 principal diagonal
释义

Definition of principal diagonal in English:

principal diagonal

noun
Mathematics

  • The set of elements of a matrix that lie on the line joining the top left corner to the bottom right corner.

    〔数〕主对角线

    Example sentencesExamples
    • The resulting number square is a magic square, as the sum of the numbers in any row or column, (or along the principal diagonal) is equal to 260.

Definition of principal diagonal in US English:

principal diagonal

noun
Mathematics

  • The set of elements of a matrix that lie on the line joining the top left corner to the bottom right corner.

    〔数〕主对角线

    Example sentencesExamples
    • The resulting number square is a magic square, as the sum of the numbers in any row or column, (or along the principal diagonal) is equal to 260.
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更新时间：2025/6/19 20:29:40