生物防治
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化学防治生物防治区别？
生物防治和化学防治最主要的区别在于，生物防治是以鸟治虫，以虫治虫和以菌治虫；化学防治是利用化学杀虫剂治害虫，两者都可以快速消灭害虫，对有害生物有杀伤力。[详细]
2023-01-08 18:27 分类：问答Problem with iterators
Basically I wrote some code to print out a triangle recursively - and originally I used an iterator in the code to take the inner parts of a triangle and include them in the complete \'picture\'.[详细]
2022-12-20 21:02 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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