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  First Header | Second Header | Third Header
  :----------- | :-----------: | -----------:
  Left         | Center        | Right
  Left         | Center        | Right
  

  First Header | Second Header | Third Header
  ------------ | ------------- | ------------
  Content Cell | Content Cell  | Content Cell
  Content Cell | Content Cell  | Content Cell
  

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！图片 说明

流程图

​```graph
graph TD;
    A-->B;
    A-->C;
    B-->D;
    C-->E;
    E-->F;
    D-->F;
    F-->G;
​```

时序图

​```graph
sequenceDiagram
    participant Alice
    participant Bob
    Alice->John: Hello John, how are you?
    loop Healthcheck
        John->John: Fight against hypochondria
    end
    Note right of John: Rational thoughts 
prevail...
    John-->Alice: Great!
    John->Bob: How about you?
    Bob-->John: Jolly good!
​```

甘特图

​```graph
gantt
        dateFormat  YYYY-MM-DD
        title Adding GANTT diagram functionality to mermaid
        section A section
        Completed task            :done,    des1, 2014-01-06,2014-01-08
        Active task               :active,  des2, 2014-01-09, 3d
        Future task               :         des3, after des2, 5d
        Future task2               :         des4, after des3, 5d
        section Critical tasks
        Completed task in the critical line :crit, done, 2014-01-06,24h
        Implement parser and jison          :crit, done, after des1, 2d
        Create tests for parser             :crit, active, 3d
        Future task in critical line        :crit, 5d
        Create tests for renderer           :2d
        Add to mermaid                      :1d
​```