自然环境中约99%的微生物不能用传统的分离培养方法获得其纯培养。

About 99% microorganisms in natural environment cannot be obtained their pure culture by traditional isolation and culture methods.

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微生物纯培养技术一直没有解决天然木质纤维素的分解难题。

Technique of microbial pure culture can not resolve the puzzle of lignocellulose degradation.

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微生物种类：因使用的微生物是否是本地的、是纯培养菌还是混合培养菌，这都可以使固体基质发酵表现出不同的形式。

Microbial types. Solid substrate fermentations can occur in many different forms depending on whether the microorganisms utilized are indigenous, pure cultures or mixed cultures.

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因使用的微生物是否是本地的、是纯培养菌还是混合培养菌，这都可以使固体基质发酵表现出不同的形式。

Microbial types. Solid substrate fermentations can occur in many different forms depending on whether the microorganisms utilized are indigenous, pure cultures or mixed cultures.

youdao

因使用的微生物是否是本地的、是纯培养菌还是混合培养菌，这都可以使固体基质发酵表现出不同的形式。

Microbial types. Solid substrate fermentations can occur in many different forms depending on whether the microorganisms utilized are indigenous, pure cultures or mixed cultures.

youdao