| 摘要 |
A graphical interaction and authoring system is provided that combines textual and graphical information to display hierarchical information via an interactive visual mechanism for the composition and manipulation of syntactic structures, enabling business users to view, operate, and compose information in a way that not only graphically preserves the structure of the syntax, but also maintains the relationship of the expression. The system provides a way for the users to interact with it dynamically and effectively.
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