分析海南省芒果的供需情况，并利用季节指数趋势法对2010年海南省芒果的价格进行预测分析。
Mango supply and demand in Hainan are analyzed. And the mango price in Hainan in 2010 is forecast using the seasonal index trend method.
由历史数据推测未来趋势的众多方法中较突出的有：时间序列法、最小平方法、指数平滑法、回归分析和相关分析。
Prominent among the various techniques that can help to extrapolate past date into future trends are the following:time series, least squares method, exponential smoothing, regression and correlation.
运用指数平滑法对我国珠宝首饰市场在未来一定时期的销售趋势进行预测，并对预测结果进行评估、修正，从而透析我国珠宝首饰市场发展前景，为相关部门提供参考。
Based on the previous data, the sale tendency of our jewelry market in China is studied by using index smooth method, and the appraisal to the forecast result is also carried on.
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