In this paper, the asymtotic normality of the G- spectral estimator is proved for spec tral density of normal ARMA models.是什么意思_In this paper, the asymtotic normality of the G- spectral estimator is proved for spec tral density of normal ARMA models.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句