Mind maps, as a graphic tool, are a very good learning strategy.
思维导图作为一种图形工具，是一种非常好的学习策略。
You could use a graphic tool such as IBM Lotus Freelance Graphics to create pictures to represent the process flow.
可以使用IBM Lotus Freelance Graphics之类的图形工具来创建表示流程流的图片。
The Visual Explain tool provides a graphic view of your SQL statements so that you can analyze your queries and tune them for better performance.
Visual Explain工具提供了一个sql语句的图形化视图，这样您可以分析您的查询和优化它们的性能。
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