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The change to agar was a marked improvement. The jelly is so effective that it is still an invariable ingredient in what is known today as the “Koch’s plating technique” or the “culture plating method.” As Koch himself noted in 1909: “These new methods proved so helpful…that one could regard them as the keys for the further investigation of microorganisms…Discoveries fell into our laps like ripe fruits.”
。夫子对此有专业解读
本次的年度征文设题很巧妙，体现了现代科技与传统人力对决的意思。，推荐阅读服务器推荐获取更多信息
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