nxm

Shielding effectiveness of PCB loaded rectangular enclosure with circular-aperture array If A is the mxn matrix, then the nxm matrix is called the transpose of A.

加装印刷电路板的圆孔阵矩形机壳屏蔽效能如果A是mxn矩阵，那么nxm矩阵为A的转置矩阵。

If A is the mxn matrix, then the nxm matrix is called the transpose of A.

如果A是mxn矩阵, 那么nxm矩阵为A的转置矩阵.

This architecture is characterized by parallel process in two sides: ( 1) Changing large scale switching ( NxN) into several small scale parallel switching units ( NxM);

并行处理技术在该结构中得到充分的体现：（1）通过把多个较小规模的交换单元（NxM）平行放置，实现较大规模的交换系统（NxN）；