排序是数据结构中较重要的部分,充分了解其算法的区别当然也相当重要-Sort the data structure, the more important part of a full understanding of the difference between the algorithms of course, very important
丁类音频功率放大器的工作方式。同时利用PWM信号控制导通时间以放大信号。这个主要是性能研究开发 没有硬件-Class D audio power amplifier work. At the same time, the use of PWM signal to control turn-on time to signal amplification. The performance of the main research and development are not the hardware