As the name suggests, mixers produce output signals with mixed frequencies and are fundamental components of many electronic communications systems.

顾名思义，晶体管常用作混频器，可以输出混频信号，并且是许多电子通讯系统的基本元件。

When users request the content pages, they merge with the master page to produce output that combines the layout of the master page with the content from the content page.

当用户请求内容页时，这些内容页与母版页合并以将母版页的布局与内容页的内容组合在一起输出。