As a container, a solution can track several types of items.

作为容器，解决方案可以跟踪几种类型的项。

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So, I know that each element of the types array must have these three items.

因此，我知道，每个types数组元素都必须有这三项。

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You can combine data items of different types to create a structure.

您可以组合不同型别的资料项目，以建立结构。

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You can combine data items of different types to create a structure.

您可以组合不同型别的资料项目，以建立结构。

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