They have a small touch-screen display and audio speaker, for user interaction.

此外还有用于用户互动的触摸屏和对讲器。

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Make waves with a dripping faucet, audio speaker, or laser! Add a second source or a pair of slits to create an interference pattern.

通过滴水的龙头，扬声器或镭射来产生波！增加第二来源或者两条缝，可以产生干涉形式。

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There is audio speaker near the edge of the both sides in the helmet, the junctions of two speakers' leads are connected with the small radio device through leads respectively.

在头盔 的边缘两侧近耳朵边缘各有一用于放音的喇叭，两喇叭导线接线端分别通过导线和小型收音 装置相连接。

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Edifier is a leading designer and manufacturer of internationally award-winning audio speaker products featuring contemporary design and superior sound quality.

ENGADGET: Edifier's Spinnaker Bluetooth speaker system promises not to hurt you, sells for $350

Just months after rescuing flailing Newsweek from financial collapse, owner Sidney Harmon, who made a fortune as a pioneer in audio speaker business, has died, according to The Daily Beast, which merged with the magazine earlier this year.

FORBES: Audio Pioneer and Newsweek Owner Sidney Harman Dies At 92

The Windows Phone 8X by HTC featuring Beats Audio also offers a unique audio amplifier powering the 3.5mm audio jack and the speaker, boosting the audio signal for even better sound no matter if you're listening to music, playing a game or watching a video.

ENGADGET: Windows Phone 8X by HTC: 4.3-inch 720p display, LTE, dual-core S4, available this November