演讲比赛评委打分系统，使用 Qt 5 开发。
This product includes tree sides: control/server side, presenting side, client side.
- Control/server side: operated by the administrator to control what will be shown on presenting side and the process the competition. This side directly accesses the database.
- Presenting side: displayed on the big screen showing the process and the score marked by judges of every contestant. This side includes animation created by Qt.
- Client side: the judges need to mark the scores of every contestant with this side.