... 矩阵的合同(congruence of matrices) 矩阵的迹(trace of a matrix) 矩阵的列秩(column rank of matrix) ...
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It also allows you to trace different types of requirements to each other and view those relationships in a matrix.
它还允许您追踪不同类型的需求，并且在矩阵中观察那些关系。
This paper studies relation between the linear function and the matrix trace, and obtains a number of necessary and sufficient the condition that a linear function is trace of matrix.
讨论线性函数与矩阵的迹的关系，给出了一个线性函数是矩阵的迹的若干充要条件。
A flow injection on-line coprecipitation system has been coupled with an atomic absorption spectrometric system for the determination of trace calcium in bulk of cobalt and nickel matrix.
流动注射在线共沉淀分离富集-火焰原子吸收法现场快速测定钴镍基体中的微量钙。
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