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Display for learning english - has codes and letters used in stages with diagram to reveal possible verb uses
Display for learning english - has codes and letters used in stages with diagram to reveal possible verb uses
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机译：用于学习英语的显示器-在图表中分阶段使用代码和字母以显示可能的动词用法
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摘要
The display uses a diagram to show the possible uses of an English verb and to reduce them to their simplest expression. It uses codes and letters inside the diagram. The system employs four stages, at three levels. There is added supplementary information, using codes and symbols which presents or prints the complete formula without resource to a diagram.
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