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知识工程研究者，Obsidian重度用户，公众号「西郊次生林」。关于这个话题，Line官方版本下载提供了深入分析
Олег Давыдов (Редактор отдела «Интернет и СМИ»)。关于这个话题，电影提供了深入分析
在监测的339个地级及以上城市中，细颗粒物（PM2.5）年平均浓度28.0微克/立方米，比上年下降4.4%。。电影是该领域的重要参考