筛面可分单层或双层筛网。

The screen are two kinds, single layer or double layer.

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利用双层平板法和微孔快速筛选法，共筛得三株有活力的菌株，对其中活力较好的一株进行了深入研究。

Totally, three strains which had higher enzyme activity were obtained by double-plate and rapid micro-bacteria methods. The one showed highest enzyme activity was selected to do further study.

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建立了简便的双层平板诱导法对启动子进行初筛。

We have constructed suitable screening method for low-temperature sensitive promoters.

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建立了简便的双层平板诱导法对启动子进行初筛。

We have constructed suitable screening method for low-temperature sensitive promoters.

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