04:43, 28 февраля 2026Силовые структуры
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.。关于这个话题，safew官方下载提供了深入分析
// 单调栈：存储索引（而非值），栈内索引对应的nums值保持「单调递减」，详情可参考51吃瓜
报告指出，在整个现代经济史中，人类智慧一直是稀缺的投入要素。一切都能复制或替代，但唯有能够分析、决策、创造、说服、协调的「智慧」，是没法大规模复制的。
* 时间复杂度：O(len1 + len2)，空间复杂度：O(len2)（栈+Map的空间）