第五部分主要是对汉语导游培养具体的优化措施；
Part five is optimization of cultivation mode for Chinese ciceroni.
本试验还对鸭疫里氏杆菌的培养条件、灭活条件进行了优化。
In the experiment, the conditions for RA culture and inactivation were optimized.
在模型基础上，用分层序列法对培养基组成及浓度进行优化。
On the basis of the models optimization of the cultural medium is made.
在模型基础上，用分层序列法对培养基组成及浓度进行优化。
On the basis of the models optimization of the cultural medium is made.
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