知识与财富的链接
分别对手机用受话器和扬声器的历史、性能、结构作了简单论述,并结合实际运用着重对受话器和扬声器的设计及测试过程中的经验作了总结。
The history, performance, and general structures of the cell phone receiver and speaker are given briefly. With practical applications, some experience in cell phone receiver and speaker design and test is given.
