霜霉病
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治理霜霉病用药配方是什么？？
霜霉病指的是由真菌中的霜霉菌引起的植物病害。霜霉菌是专性寄生菌，极少数的霜霉菌已可人工培养，如引起谷子白发病的禾生指梗霉、引起白菜霜霉病的寄生霜霉。那么霜霉病该怎么用药呢？[详细]
2023-02-04 08:36 分类：问答-
Modeling a Generic Relationship (expressed in C#) in a Database
This is most likely one for all you sexy DBAs out there: How would I effieciently model a relational database whereby I have a field in an \"Event\" table which defines a \"SportType\"?[详细]
2022-12-25 16:39 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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