养分
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竹子的茎中央是空的，能不能传输养分给枝叶？？
123457245 开发者_StackOverflow 2022-01-29 07:22 能，应为竹子的韧皮部有导管[详细]
2023-01-02 13:28 分类：问答How to get rid of pygame surfaces?
In the following code, there is not just one circle on the screen at any given point in time. I want to fix this to make it so that it looks like there i开发者_如何学Gos only one circle, instead of le[详细]
2022-12-19 04:20 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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