编译原理—LL(1)文法分析器(1.0) 求LL(1)文法的FOLLOW集合工具： 软件读入一个LL(1)文法，生成其FOLLOW集合。-compiler theory-LL (1) grammar analyzer (1.0) for LL (1) grammar FOLLOW Set tools : software read an LL (1) grammar, generating its FOLLOW pool.

手写板是手写绘图输入设备对计算机来说是一种输入设备，其作用和键盘类似。当然，基本上只局限于输入文字或者绘画，也带有一些鼠标的功能。小编刚用了手写板，需要安装驱动程序，下面说说它的安装和使用方法，希望对大家有所帮助。-Handwritten drawing tablet input device to the computer is an input device like a keyboard, and its role. Of course, basically confined to ent