simple matrix display 简单矩阵显示
This paper give an expositior of simple way to display that the dimension of row space of matrix equals to the dimension of column space and some shortcuts to solve the problems concerned.
本文给出了证明矩阵行空间维数等于列空间维数的另一种较简单的证法，以及解决几个相关问题的捷径。
Attractive matrix green display - The interface is very simple to use, and has a bright green display over a jet black background.
有吸引力的矩形绿色显示-个界面简单易用，在漆黑的背景上用亮绿色显示。
Using simple matrix driving, low power-consumption, black and white display, and full color display can be obtained.
它的可移动臂能呈现黑色、白色(或彩色)带，可通过加电压脉冲来变色。
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