sub-matrix 子矩阵
rotation sub-matrix 旋转子矩阵
sub-Hermite matrix 次Hermite矩阵
sub-orthogonal matrix 次正交矩阵
fuzzy sub-transposed matrix Fuzzy次转置矩阵
generalized sub orthogonal matrix 广义次正交矩阵
sub-unit matrix 次单位矩阵
sub-normal matrix 次正规复矩阵
sub-unitary matrix 次酉矩阵
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It was found that the material A2 with micrometer matrix strengthened by sub-micrometer second phase had the best comprehensive mechanical properties.
发现在微米级基体中掺入纳米级颗粒第二相的材料a2的综合力学性能最佳。
High density dislocation pile-up lies in the interface of the matrix and the second phase, which induces the sub-structure fining of the matrix.
在基体与析出相的界面上存在高密度位错堆积，从而引起基体金属亚结构细化。
Based on the kinematics equation and the orthogonal character of the rotation sub-matrix in a transformation matrix, an approach to the inverse kinematics problem of 6r robots is proposed.
以机器人运动学方程为基础，基于变换矩阵中旋转子矩阵正交的特性，提出一种6r机器人运动学逆解算法。
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