粮食安全问题
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卡霍夫卡大坝被毁将导致巨大粮食安全问题？
当地时间2023年6月7日，赫尔松地区，乌克兰安全部队将一位当地居民用船从洪水地区撤离，此前卡霍夫卡水电站大坝遭到破坏。 视觉中国 图[详细]
2023-06-14 07:06 分类：问答how can stop creating duplicates in camera roll while using UISaveVideoAtPathToSavedPhotosAlbum to save videos in camera roll?
I have a video in applications documents folder. I need it to be saved in camera roll. So, I used UISaveVideoAtPathToSavedPhotosAlbum method to save it in camera roll. It\'s working and I can see the[详细]
2022-12-28 16:42 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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