case cited meaning in English

引证的案例

In the paper the author analyzes stock price from linear model to non - linear model and builds three models : time series model , neural network model and gray neural network model . they improve precision one by one . case citing in the paper also proves the model ' s validity
文中定量分析从线性分析到非线性分析，通过建立时间序列模型、神经网络模型以及灰色神经网络模型，不断提高预测精度，并最终实现了从对大盘指数预测到个股预测的有效运用，证明了股价预测模型的可行性及扩展性。