Why wasn’t there a perfectly portioned pasta and sauce kit that wasn’t precooked?
It is difficult to know exactly when the shift from gelatine to agar occurred. As often happens for scientific breakthroughs, agar was likely adopted incrementally alongside the use of other growth media. In 1913, for example, the first diagnosis of Serratia marcescens as a human pathogen was made by growing it on agar as well as on potatoes.
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适配度,是经济规律中的一个视角,其实也是“树什么样的政绩”的度量衡。政绩观对不对,拿这把尺子量一量就清清楚楚。
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