* @param arr 待排序数组
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2020年的夏天，關恆在翻牆後閱讀到美國媒體BuzzFeed News關於新疆再教育營的報導後，在疫情期間受到其他中國公民記者的啟發，故希望能到實地拍攝及記錄，除了見證歷史，亦能訴說一個與官方版本不同的「再教育營」敍事。。业内人士推荐Line官方版本下载作为进阶阅读
This was not the first time that microbiologists experienced problems with agar. A phenomenon called “The Great Plate Count Anomaly” baffled researchers in the early 20th century when they observed that the number of cells seen under a microscope didn’t match the actual number of colonies growing on an agar plate. Investigating this discrepancy, researchers found agar itself to be the culprit: when nutrient broths are heated with agar during boiling, harmful byproducts (hydroperoxide) can form due to the reaction of agar with phosphate minerals contained in the media. Researchers can avoid this by autoclaving agar separately from the nutrient broth, or by reducing the amount of agar used.
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