A new advance is ultra-wideband (UWB) technology, which USES very high frequencies at very short range to transmit huge amounts of data, as in sending video from an iPod-like device to a TV screen.

超宽带脉冲是运用超高频在很短的距离内传输海量数据的最新尖端技术，比如从iPod样式的播放器向电视银屏传输视频文件。

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However, it's been an increasingly common practice for studios to NOT screen a movie in advance, which is usually a pretty good sign that the movie is really bad.

不管怎么说，它一直以来是电影制作方日益普遍的做法，但，没有在公映前放“电影专场”通常可能是影片卖座的好征兆，又或是该片认真的差。

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