Hello World

Picture

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![hello world](https://s3.bmp.ovh/imgs/2022/04/27/119ce8252a43232a.png)

hello world

记录一些Markdown的语法。

Video

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    {{ < youtube dQw4w9WgXcQ > }}

Table

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| Colors        | Fruits          | Vegetable         |
| ------------- |:---------------:| -----------------:|
| Red           | *Apple*         | [Pepper](#Tables) |
| ~~Orange~~    | Oranges         | **Carrot**        |
| Green         | ~~***Pears***~~ | Spinach           |

Colors	Fruits	Vegetable
Red	Apple	Pepper
~~Orange~~	Oranges	Carrot
Green	~~Pears~~	Spinach

Math

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$$
evidence\_{i}=\sum\_{j}W\_{ij}x\_{j}+b\_{i}
$$

$e v i d e n c e_{i} = \sum_{j} W_{i j} x_{j} + b_{i}$