The system is flexible, allowing two different models to roll off the line in exactly the required numbers.

整个系统非常灵活，可以准确按各自需要的数量，同时装配两个不同的车型。

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Simply, there are two models, rigid and flexible models, respectively, as a flexible model. TLP is divided into two parts.

简单地说，可以将结构的研究模型分成两种类型，即刚体结构和柔性结构。

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