铁凝、沈跃跃、苏辉、咸辉出席。
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The real challenge was managing the economics while bootstrapping the business without investors. Figuring out how much to invest in marketing versus distribution and how to approach retailers without overspending. Balancing growth with limited resources forced me to prioritize, experiment and get creative with every dollar.
переход внутренней миграции во внешнюю.
，这一点在91视频中也有详细论述
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第二是氢气渗透导致的“氧中氢”安全问题与性能衰减。在加压环境下，氢气小分子极易穿透薄膜到达阳极侧，与氧气混合，带来安全风险并降低效率。传统的解决方案是在阳极侧增设“消氢层”，使用贵金属催化氢气与氧气复合成水，但这在薄膜上会因反应放热过大而引发新的热管理问题。