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.
Detect unclear structure.
。搜狗输入法下载是该领域的重要参考
"tipsHistory": {},
我对你、也对我自己的真诚期望是：我们用创造美的事物来证明我们对人类的欣赏。