求翻译：运用建立的模型，指导一线训练，解决关键问题，提高运动训练的总体水平。建立基于BP神经网络的训练专项模型，为竞技体育科技支撑体系构建起到积极的作用。是什么意思？

Use the model to guide first-line training, addressing the key issues to improve the overall level of sports training. Established based on BP neural network trained special model for building a sports support system technology has played an active role.

Use the model to guide the line established training to address the key issues, raising the overall level sports training. BP neural networks based on the training for special models, sports science and technology support system built up to the active role.

Using the establishment model, instructs a training, the solution key question, enhances the movement training the aggregate level.The establishment based on the BP neural network training special model, constructs the positive function for athletics sports science and technology support system.

Using established models to guide first-line training and resolution for critical issues, improving the overall level of training. Based on the BP neural network model for training special, sports science and technology support system to play an active role.

Using established models to guide first-line training and resolution for critical issues, improving the overall level of training. Based on the BP neural network model for training special, sports science and technology support system to play an active role.