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.

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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.

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It's not the most interesting physical object in the world, but it's a whole lot more interesting than a piece of chalk.

它虽不是这个世界上最吸引人的物理对象,但它能干的事比一根粉笔能干的有趣多了

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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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