These enzymes are vital for early stages of the digestion process – called predigestion.

这些消化酶在消化过程的后期十分主要-这个过程叫做事后消化。

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Firstly, a game model has been established based on the hypothesis and predigestion of traditional market.

论文通过对传统钢材交易市场的简化和假设，建立了传统钢材现货交易的博弈模型。

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Finally, a predigestion method of maneuverable model and a path planing which has a two level structure is given.

最后给出运动学模型的简化方法以及一个两级结构实体运动学模型的轨迹规划方法。

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