来自MSN

Python Cowboy says tree stand facing Air Force One’s runway may have been there for two years

A professional iguana hunter known as the Python Cowboy says he’s seen the homemade tree stand that was found facing the runway where Air Force One lands — and believes it’s been there for about two ...
生物通

白龙江流域产流型泥石流的区域化集水区特异性降雨阈值构建研究

本文提出了一种融合水文模拟与机器学习技术的区域泥石流预警新方法，通过构建集水区特异性的降雨-峰值流量关系模型，实现了对白龙江流域267个集水区泥石流触发阈值的快速估算。研究创新性地采用Extra Trees Regressor（ETR）和CatBoost Regressor（CBR）算法分别预测 ...