In order to display a full-frame image in 3-d, you need an extremely high frame rate, so usually the TV must be capable of a 240-hz refresh rate.
为了展示3d全帧图像，就需要非常高的帧率，所以通常电视须具备240 - Hz的刷新频率。
2
This compact, easy-to-carry lens is ideal for photo enthusiasts looking to add a bright, general purpose zoom to their collection of full-frame optics.
这个小巧，易于携带摄影镜头是寻求增加明亮，通用放大他们的全画幅光学收集爱好者的理想选择。
3
With a crop factor of 1.5x or 1.6x you need special digital lenses to get true wideangle results, but these are readily available and are usually less expensive than their 'fullframe' counterparts.