进一步运用趋势外推法，预测了宁夏旅游业近期的发展趋势及走向。
Furthermore, trend extrapolation is used to forecast the developing trend and orientation of Ningxia tourism industry.
特别是在定量预测方面，从不同角度运用因素预测法、趋势外推法、CA模型法等三种方法对城市用地扩展进行估算。
Especially on the quantitative forecast aspect, forecast the urban land expansion by method of factor forecasting, method of trend extrapolating and method of ca model from different Angle.
应用推荐