演示如何查询概念模型和使用对象数据。

Demonstrates how to query a conceptual model and work with object data.

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但某些数据源可能不支持概念模型中的所有类型。

However, some data sources might not support all types in the conceptual model.

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但某些数据源可能不支持概念模型中的所有类型。

However, some data sources might not support all types in the conceptual model.

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