在我们到达，我们还需要一个容器类。

Before we get to that, we also need a Container class.

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袋子架：用于容器类。

Bag Stand: Used for containers.

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接下来，我们需要创建NorthwindEntities容器类的实例。

Next, we create an instance of the NorthwindEntities container class.

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这个类是一个用户数据的容器。

This class is a container for the user data.

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用这个容器注册一个类定义。

Registers a class definition with this container.

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公司拥有一、二类压力容器的设计制造资格。

The company has one or two types of pressure vessel design and manufacture of eligibility .

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公司拥有一、二类压力容器的设计制造资格。

The company has one or two types of pressure vessel design and manufacture of eligibility .

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