虽然许多实验室已成功制得心肌细胞，但是目前科学界尚无标准的养料和生长因素的培养基配方来帮助其培养成正常跳动的细胞。

Although plenty of LABS have made them, there are no standardized recipes for the nutrient and growth factor broths that help them grow into properly beating cells.

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结果与结论制定统一的微生物培养基用琼脂的标准是提高琼脂质量的基础。

Results and Conclusion Developing a uniform standard of agar used in microbiological medium was the basis for improving the quality of the agar.

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负责对检验用设备、仪器、试剂、试液、标准品(或参考品)、标准溶液、培养基等化验检查用品制订管理制度，并监督实施。

Responsible for the management of analytical instrument, equipment, reagent, test solutions, standard substances, reference standards, standard solutions, culture and medium.

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