In RDA, creating a logical data model allows you to show relationships between various entities, attributes for those entities, and the relationships between all these different objects.
在RDA中创建逻辑数据模型，就可以显示各种实体之间的关系、这些实体的属性和所有这些不同对象之间的关系。
Aerial photos always seem to be breathtaking and different, as they show all the objects on earth from a new perspective.
航拍照片看去总是那么摄人心魄、与众不同，因为它们以崭新的视角呈现了地上的物体。
Samuel Morse was astonished to learn that Daguerrotypes of streets of Paris did not show any humans, until he realized that due to the long exposure times all moving objects became invisible.
美国发明家萨缪尔·摩尔斯看到用达盖尔照相法拍的巴黎街景里一个人都没有时，不禁大吃一惊，后来才明白是因为曝光时间过长，移动物体都变得看不见了。
The only problem is, that you're shadows won't show up that well anymore and that all objects will already have some kind of "lightness" to them.
惟一的问题是阴影不是那么明显了，所有的物体看上去都有相同的亮度。
At 6 p. m. the next day, all participants watched a slide show. They saw 150 slides of landscapes, objects, and people who weren't celebrities.
在第二天下午6点，所有受试者都观看了一组幻灯片，共有150幅各种风景、物体及普通人物的幻灯片。
At 6 p. m. the next day, all participants watched a slide show. They saw 150 slides of landscapes, objects, and people who weren't celebrities.
在第二天下午6点，所有受试者都观看了一组幻灯片，共有150幅各种风景、物体及普通人物的幻灯片。
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