用实例说明,普通函数、类成员函数、类静态成员函数在执行速度上的差别-example, a normal function, a class member function, static member function in the implementation of the difference in speed
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多线程异步PI计算程序,包括取消功能-windows mobile 5.0 pocket pc multi-threaded asynchronous PI program, including the abolition of functional