它在显示实际图像前显示原始图片的一个小型索引图，它一次只加载一个索引图。
It shows a small preview of the original image before launching the actual image and it loads only one thumbnail at a time.
这是一种新型表达式语言，拥有优秀的集合、对象图遍历和索引支持功能。
This is the newer form of expression languages and has excellent collection, object graph traversal, and indexing support.
至今，研究人员显然只制成了索引卡大小的全息图。
So far, the researchers apparently have created holograms only about the size of an index card.
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