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Thirty years ago, atmospheric scientists began to notice a worrisome trend. They knew that turbulence from storms increases in summer, when hotter and more humid air rises to form thunderheads. And they knew that clear-air turbulence increases in winter, when the temperature drops dramatically at the poles but not in the tropics. That temperature difference drives the jet stream, which creates turbulent eddies and wind shear as it rushes through slower bodies of air. But, on top of these seasonal swings, there seemed to be an over-all trend as well: Earth’s atmosphere was getting rougher.
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阿尔瓦雷斯同时表示，西班牙政府不担心这一立场会产生任何后果。阿尔瓦雷斯表示：“西班牙政府的立场代表了绝大多数西班牙民众以及全世界绝大多数民众的意愿，即捍卫《联合国宪章》，尊重国际法，相信合作永远比对抗更有力量。”（央视新闻）。PDF资料是该领域的重要参考
上周，苹果开源了 python-apple-fm-sdk。以往苹果基模的完整测试和调优，需要 Swift 环境完成；现在这套 SDK 让路变宽了，习惯 Python 工作流的开发者也能参与进来。