键盘优化程序，可以提高键盘输入这个办法曲率，避免脉冲干扰 -The keyboard optimization procedure can improve the way curvature keyboard input to avoid pulse interference

通过matlab编程，采用纤维法实现简单矩形截面的弯矩-曲率关系分析，附件为分析源代码。-By matlab programming, using a simple method to achieve a rectangular cross section fiber moment- curvature relationship analysis, attachment to analyze the source code.