摘要
根据榆林市３５眼井地下水观测资料，应用灰色系统理论预测了该市地下水未来变化趋势，为合理开发利用地下水资源提供了依据。
According to groundwaters observation data of thirty five wells in Yulin city ,predict groundwaters variable trend in the future applying grey system theory ,which goal is to offer basis for developing and using groundwater resources rationally.
