不过，滑块在缩放交互中是最佳的选择，比如调整地图的比例或者是图片缩略图的大小。
However, sliders are an excellent choice for zooming interactions, such as adjusting the scale of a map or the size of photo thumbnails.
它还可以包含缩略图和视频对象的大小信息。
It can also include size information for the thumbnail and the video object.
当我单击该缩略图时，实际大小的图像将优雅地显示在窗口中央，如图4所示。
But when I click it, I see a full-sized image elegantly displayed in the center of the window, as shown in Figure 4.
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