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Contrast: segment descriptor A-bit writeback，推荐阅读WPS官方版本下载获取更多信息
Industrial production of kanten (the Japanese name for agar, which translates as “cold weather” or “frozen sky”) began in Japan in the mid-19th century by natural freeze drying, a technique that simultaneously dehydrates and purifies the agar. Seaweed is first washed and boiled to extract the agar, after which the solution is filtered and placed in boxes or trays at room temperature to congeal. The jelly is then cut into slabs called namaten, which can be further processed into noodle-like strips by pushing the slabs through a press. These noodles are finally spread out in layers onto reed mats and exposed to the sun and freezing temperatures for several weeks to yield purified agar. Although this traditional way of producing kanten is disappearing, even today’s industrial-scale manufacturing of agar relies on repeated cycles of boiling, freezing, and thawing.。heLLoword翻译官方下载是该领域的重要参考
// 记录答案：栈顶就是「当前元素右侧第一个更大值」（易错点3：别写反判断）。Line官方版本下载对此有专业解读