qr

听听怎么读
英 [k'ju:'ɑ:r]
美 [k'ju'ɑr]
是什么意思
  • abbr.

    quarter 四分之一,一刻钟,季度;

  • 英英释义

    QR

    • QR may stand for:

    以上来源于:Wikipedia

    学习怎么用

    权威例句

    Rank revealing QR factorizations
    The QR Transformation A Unitary Analogue to the LR Transformation—Part 1
    Jacobi''s Method is More Accurate Than QR
    Jacobi--Davidson Style QR and QZ Algorithms for the Reduction of Matrix Pencils
    A two-stage linear discriminant analysis via QR-decomposition
    A two-stage linear discriminant analysis via QR-decomposition.
    The Existence of the QR Code Guiding to a Malicious Web Site and a Counterfeit Attack Using It
    Efficient algorithms for computing a strong rank-revealing QR factorization
    Efficient algorithms for computing a strong rank-revealing QR factorization
    A Method for Dynamic Characteristics Estimation of Subsurface Using Microtremor on Ground Surface, QR of RTRI, 30(1), 25-33