其二，是指将数据与现实世界对象关联的语言。

It is also about language for recording how the data relates to real world objects.

youdao

在垂直平面，应设于现实世界对象的最高点。

In the vertical plane, it should be located on the highest point of the real-world object.

youdao

对象描述是人类研究对象的属性和行为而了解对象，通过对属性和行为的描述来实现对现实世界对象的建模。

Object Description is that human realize objects by researching attributes and actions of objects and modeling real world by describing attributes and actions.

youdao

And the reason for positing these things is because we're clearly able to think about these ideas, and yet, we recognize that the ordinary physical world-- although things may participate in them to varying degrees-- we don't actually come across these objects or entities in the physical world.

我们假定这些的原因是,这样我们就能够清楚的,去思考这些理念,目前我们认识到在正常的现实世界中,尽管很多东西或多或少的参与其中,我们并不会在现实世界中,直接面对这些对象或者个体

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