老辈
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老辈人算男女口诀是七七四十九算法吗？？
老辈人算男女口诀是七七四十九算法，具体口诀是七七四十九，问娘何月有，减去生母岁，又加一十九。得数是单即为男，得数是双便是女，例如实际年龄为27岁的孕妈妈，在阴历4月怀孕，利用该公式口诀算出来的一般为单数，[详细]
2024-09-21 07:11 分类：问答How to represent a list of points in R
I am working with a large list of points (each point has three dimensions x,y,z). I am pretty new with R, so I would like to know what is the best way to represent that kind of information.As far as[详细]
2022-12-28 19:44 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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