XML forms Architecture (XFA). XFA provides a template-based grammar and a set of processing rules that allow users to build interactive forms.

XML Forms Architecture (XFA)： XFA将提供基于模板的语法和处理规则集，它们将允许用户构建交互式表单。

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Under such new theoretical frameworks, many new grammar teaching approaches have arisen, such as Processing Instruction, Interactional Feedback, Task Based Instruction.

在新的理念指导下，研究者们研究出一系列新的教学模式，如过程性教学、反馈性教学、任务型教学等。

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