古代電話
商品摘要
本產(chǎn)品的聲音傳播方式是靠物理震動(dòng)傳遞的,線是固體,遠(yuǎn)遠(yuǎn)強(qiáng)于空氣,一方說(shuō)話的聲音通過(guò)震動(dòng)傳給塑料筒再傳給線,由線傳給對(duì)方塑料筒,塑料筒震動(dòng)產(chǎn)生聲音。通過(guò)實(shí)驗(yàn)了解震蕩頻率產(chǎn)...本產(chǎn)品的聲音傳播方式是靠物理震動(dòng)傳遞的,線是固體,遠(yuǎn)遠(yuǎn)強(qiáng)于空氣,一方說(shuō)話的聲音通過(guò)震動(dòng)傳給塑料筒再傳給線,由線傳給對(duì)方塑料筒,塑料筒震動(dòng)產(chǎn)生聲音。通過(guò)實(shí)驗(yàn)了解震蕩頻率產(chǎn)生的原理及其應(yīng)用。
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At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr.
Sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.
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