The Error Correction Model between them is built by EG two-step method with the correlative long-term effect and short-term effect on import.
并运用EG两步法建立二者之间的误差修正模型，得出了进口对经济增长的短期和长期作用。
Using this model and the Recursive Least Square (RLS) method, the model parameters and then the mass to be weighed can he identified from the step response of very short duration.
借助这一模型和递推最小二乘法(RLS)，可以由极短的称重阶跃响应估计出模型参数和被称质量。
The synthesis method adopts the two-step reaction under microwave radiation, and has the advantages of high reaction speed, short reaction time, and the product yield over 75 percent.
本发明的合成法采用微波副 射下的两步反应，反应速度快，反应时间短，产品收率超过75％。
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