The article educed that the series of hard wheat futures and spot prices show their first-orderdifference stationary, I (1) process, by the unit root test.
通过单位根检验,确定硬麦期货与现货价格序列具有一阶差分平稳性即i(1)过程。
2
In order to better understand the security, the company must first know the difference between data privacy and data security, and should understand that the two can not be replaced with each other.