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。
The utility model relates to a drawing implement which is capable of drawing a parabolic curve and hyperbolic curve.
本实用新型是一种画抛物线和双曲线的画图工具。
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