对Brew系统的task 原理解释。 你懂的-Brew the principle task of the interpretation of the system. You understand

FreeBREW is a collection of open source software for BREW. BREW Foundation Framework provides a multitasking-aware kernel which supports a layered, per-task and per-state event dispatching mechanism to enable robust, state-pattern programming in BREW

具备签到功能，老师布置的任务，做一个实验室同学日常签到系统。-With check-ins, the teacher assigned task, the students do a lab daily attendance system.