This anomaly is indicative of the larger challenge of culturing various microbial species, referred to as microbial “unculturability.” This cannot be explained by the use of agar alone or by the substitution of an alternative gelling agent, but rather by the difficulties in consistently recreating on an agar plate the multi-variable environment in which microbes grow naturally. Given such challenges, the risk of shortages, and the vulnerabilities of the agar supply chain, why is it so difficult to find suitable alternatives?
产业赋能：从流量收割到生态灌溉
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3月24日，北京市少年宫，学生科技节创客集市上，多所学校展示学生研发的主题文创产品。新京报记者 李木易 摄，这一点在爱思助手下载最新版本中也有详细论述
However, kids already get around censors on social media platforms like TikTok and Instagram, using words like “unalive” or referring to the “PDF files” to mean other, more sinister objects.