该程序是在VC++6.0环境中，用C++语言编写的，分三个模块：一个是程序框架模块，实现程序的框架结构；二是声卡采样模块，实现声卡对外部模拟信号的采样；三是对采得的信号进行频率值计算。-procedures in the VC 6.0 environment, the use of the C language in three separate modules : is a procedural framework modules, achieving procedural framework

饮料贩卖机，用C++语言编写的应用小程序，可以模拟自动售货机的相关功能-Beverage vending machines, applications written using C++ small program that can simulate a vending machine-related functions