According to contrast index curve model and hyperbolic model results, the power of multi- Item type prediction accuracy is higher than the latter two.
对比指数曲线模型和双曲线模型的结果可知，幂多项式模型的预测精度均高于后两者。
In contrast, index futures have played an active role in maintaining the stability of the spot market, and a certain correction function on the over - reaction with spot market.
相反，股指期货为现货市场稳定发挥了积极的促进作用，对现货市场的过度反应起到了一定修正功能。
In contrast, index futures have played an active role in maintaining the stability of the spot market, and a certain correction function on the over - reaction with spot market.
相反，股指期货为现货市场稳定发挥了积极的促进作用，对现货市场的过度反应起到了一定修正功能。
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