求翻译：1.实践表明，等效电路模型引起过于复杂，不适合作为应用中的电量预估模型;经验模型由于考虑问题不全面，适用范围小，在实际应用中会有较大的误差。是什么意思？

Practice shows that the equivalent circuit model cause is too complex, not suitable for the prediction model as the application of electricity; empirical models consider the issue is not comprehensive, the scope of application is small, have a greater error in practical applications.

1) practice equivalent circuit model, which is too complex, not suitable for the application of power in pre-Islamic model; the model of experience is not complete, the scope of application, the practical application of there will be a large error.

1. practices indicated that, the equivalent circuit model causes too complex, takes in the application not suitably the electric quantity estimate model; Because the experience model the consideration question is not comprehensive, the applicable scope is small, can have the big error in the practic

1. practice has shown that the cause is too complex equivalent circuit model, is not an appropriate application power prediction models; experience does not comprehensive model taking into account the scope of small, in a real application might have a large margin of error.

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