QWT是一个QT的第三方库，可以用其来开发各种图形 表格文件。这是最新的版本，加入了新的控件。可以直接在QTDESIGNER里面调用。,The Qwt library contains GUI Components and utility classes which are primarily useful for programs with a technical background. Beside a 2D plot widget it provides scales, sliders,

QWT，全称是Qt Widgets for Technical Applications，是一个基于LGPL版权协议的开源项目， 可生成各种统计图。(QWT, the full name of Qt Widgets for Technical Applications, is an open source project based on the LGPL copyright agreement that generates a variety of charts.)