From a mapping perspective, it means that you need to refer to existing mappings (instance of UmlClassToTable and relating a given a class and table) instead of instantiating new ones.

从映射的角度来看，这意味着你需要引用已有的映射(UmlClassToTable的实例并联系一个已有类和表)而不是例化新的映射。

youdao

My favorites are the ones with the Moon so that's why in this article you will see some interesting forced perspective photos that I found with our little neighbor from the sky.

我最喜爱的是那些以月亮为主题的照片，因此在本文中，你将看到一些有趣的强迫透视照片，这都是我与小邻居从天空发现的场景。

youdao

And how do I ensure that the services that are implemented in IT are really the ones that are needed from a business perspective?

以及我如何确保在IT中实现的服务真的是业务方面所需的服务？

youdao

Sure, the new rules won't solve the current crisis and one can debate whether they are the right ones from an economic perspective.

WSJ: Heard on the Street: The Euro's Almost Happy New Year

The preliminary look at it has indicated that the measures that have been taken have been prudent ones from all of our perspective.

WHITEHOUSE: Press Briefing

It was a tribute to U.S. Armed Forces from the perspective of a nation of loved ones and citizens who await their return.

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