液晶屏，液晶面板的专业用语，适合初学者。-LCD screen, LCD panel of professional language, suitable for beginners.

这个项目是开发一款有多个面板的计算器。不仅有针对日常生活“标准型”面板、针对理工科计算的“科学型”面板、针对于编程人员计算“程 员”面板，还别出心裁地开发了针对中学生的数学学习“特色型”面板，有利于他们检查自己数学作业答案和试卷答案。-This project is to develop a multiple panel calculator. Not only for daily life " standard" panel, for science and engineer

面板数据的数据包络（DEA）分析，matlab程序-Panel Data envelopment (DEA) analysis, matlab program

此压缩文件里面包含面板数据熵值法的stata代码，每一步都有详细的解释，并且附有样本和数据，方便学者理解和掌握。(This compressed file contains the stat a code of panel data entropy method, each step has a detailed explanation, and is attached with samples and data, which is convenient for scholars to unde