我刚开发的一个系统的开发体会，真诚恳切，对大学生绝对有用！-I just developed a system development experience, in good faith earnest absolutely useful for college students!

PB的函数诚意细说明.PB的函数和事件的详细说明,包括参数,返回值等等.,PB in good faith detailed descr iption of the function. PB functions and a detailed descr iption of the incident, including parameters, return values and so on.

The product described in this document is subject to continuous developments and improvements. All particulars of the product and its use contained in this document are given by ARM in good faith. However, all warranties implied or expressed, i