把当前图形窗中已存在的任何字对象拖放到所需的位置；向当前图形窗输入字对象，并拖放到任何所需位置。 -The current graph window already exists in the drag and drop any of the words the object to the desired location to the current graphics window enter the word object and drag it to any desired locati

16*16点阵汉字库，用于单片机或ARM的液晶点阵显示汉字-16*16 Matrix for Chinese words Showing on LCD

使用matlab绘制两电荷之间的等势线,和图上用文字标明“电荷等势线”-Use matlab to draw between the two charge equipotential lines, and on the figure in words marked with the words charge equipotential line