例句 /

Based on analysis of the reasons that cause oasis disintegration such as annual decrease of influx, under groundwater level to annually descend and vegetation descending and their rules, the tendency in the future of the hydrology and oasis under the curr

Based on analysis of the reasons that cause oasis disintegration such as annual decrease of influx, under groundwater level to annually descend and vegetation descending and their rules, the tendency in the future of the hydrology and oasis under the curr

对此分析了民勤入境水量的逐年衰减、地下水位持续下降、荒漠草原超载放牧等引起绿洲衰变的主要成因及其变化规律,并初步估算了现状条件下水文及绿洲未来变化趋势。