four-two-four formation

In this paper,some concepts and features were generalized from square matrix to common matrix on the basis of the concepts and features of matrix of determinant,this strengthen greatly the knowledge contains of algebra.

在阵式概念与性质的基础上,把方阵的有关概念与性质推广到普通的m×n阶矩阵,极大地丰富了代数这门课程的内涵。

To provide more better user interface, dot-matrix LCD is used as a displayer.

点阵式LCD(液晶)显示器件,具有功耗低,体积小,显示信息丰富的优点,并广泛地应用在自动化仪表中。

The MATRIX LED Realization with Using PLD;

利用可编程器件实现点阵式LED显示

The management pattern of modern enterprise evolves from the type of "pyramid"--- vertical management to the type of “flat”— the matrix management.

组织结构的有效设计是企业高效运行的重要保证,现代企业管理模式基本上沿着从“金字塔”式的垂直管理向扁平化矩阵式管理方向演进,企业的中间管理环节缩短,管理效能进一步提高。

This paper is about the hardware and software designs in arrny LCD system on the instruments of laboratory.

讨论用点阵式LCD作为实验室设备显示器的软硬件设计方法。