我们以此为例说明如何在模板文件中使用不同的数据对象和辅助函数。

We include it as an example of how to use different data objects and helper functions within a template file.

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一旦构造了实例，您就可以在您的 PurchaseOrder 对象上调用 invoice 和 manifest 函数，其使用在 defrecord 中提供的实现。

Once the instance is constructed, you can call the invoice and manifest functions on your PurchaseOrder object, which uses the implementations provided in the defrecord.

youdao

这包括执行 CLR 过程和函数的引擎支持，使用 DB2Context 对象的托管提供程序支持，以及 Visual Studio AD 工具。

This included engine support where the CLR procedures and functions are executed, managed provider support using the DB2Context object, and the Visual Studio AD tools.

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