Get complete interactive whiteboard functionality in a convenient package that integrates a large touch screen, projector and speaker system.

将大型触摸屏、投影仪和扬声器系统合在一个便携包中，获得完整的交互式白板功能。

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On a wall behind them, a large projector screen is displaying a "Twitterwall", a way of showing to an audience a feed of any particular Twitter hashtag, in this case, the name of the networking event.

在他们身后的墙上，大屏幕投影显示着一个“Twitter墙”，一种向观众展示某个事件Twitter反馈的方式，而显示主题是这次网络招聘的名称。

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Another advantage is that the pictures the overhead projector shows are large and bright owing to the short distance between the projector and the screen.

投影仪的另一个优点在于它投出的影像大而明亮，这是由于投影仪和银幕之间距离较近的缘故。

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The new XGA-resolution (1024 x 768 pixels) short-throw projector can be placed close to a screen or white board and achieve a relatively large picture.

ENGADGET: Mitsubishi reveals HC5500 1080p projector, other forgettable ones