near unit root hypothesis 根假设
unit root hypothesis
单位根假设
以上为机器翻译结果，长、整句建议使用 人工翻译 。
And according to the null hypothesis of hypothesis testing, the theory of panel unit root test and co-integration test are systemically described.
其次，按照假设检验的零假设进行分类，系统阐述面板单位根检验和协整检验理论。
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