- https://jingyan.baidu.com/article/7e44095313f52d2fc1e2ef67.html（实时随机数曲线）
- https://blog.csdn.net/u012719076/article/details/108192562
- https://blog.csdn.net/weixin_30662011/article/details/97882480?utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~aggregatepage~first_rank_v2~rank_aggregation-1-97882480.pc_agg_rank_aggregation&utm_term=chart%E6%8E%A7%E4%BB%B6%E6%95%99%E7%A8%8B&spm=1000.2123.3001.4430
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- https://blog.csdn.net/dragonzoebai/article/details/8733116
- https://q.cnblogs.com/q/96582/
- https://www.cnblogs.com/carl2380/archive/2011/02/28/1967391.html
- https://download.csdn.net/download/wenwen1984/1028964?utm_source=iteye_new
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