他取走了这支古老蜜蜂的胃部，把它放入盐水中，并在上面涂抹一层培养介质。

He took the contents of the ancient bee's stomach, suspended it in saline, and spread it on a growth medium.

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介质灌装是一项采用微生物培养介质评价无菌灌装过程无菌保证水平的方法。

Media fill is a method of evaluating sterility assure level of an aseptic fill process using microbial culture medium.

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在本文中我们报告了视杯(视网膜原始细胞)结构在三维培养介质中的动态的、自发性的成形过程，该培养介质是由鼠胚胎干细胞聚集物组成。

Here we report the dynamic, autonomous formation of the optic cup (retinal primordium) structure from a three-dimensional culture of mouse embryonic stem cell aggregates.

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