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。

youdao

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。

youdao

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。

youdao

Which is why HANA data can be viewed on iPad today, and why it evangelizes the use of tablets for mobile Business Intelligence, to the point that its executives are all using Business Objects Explorer on the iPad to show that the company, as the saying goes, eats its dogfood.

FORBES: SAP: Without Mobile, There Ain't No Real-Time Enterprise