Of course, it has to be acknowledged that this type of research is at an early stage.

当然，不得不承认这类研究仍处在初级水平。

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Early research has shown that a 48-week course of adefovir provides clinical improvements in patients with HBeAg-negative chronic hepatitis B.

早期的研究已经显示，对慢性乙型肝炎e抗原阴性的患者进行48周阿德福韦治疗后，获得了临床上的改善。

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Qiu looked back upon the course of his studies and research, and talked freely on the problems of the "Ku-shih-pien" School, early Chinese history, the studies of excavated documents, "the .

在访谈中，裘先生回顾了自己的学习和研究的历程，就“古史辨”派、上古史、出土文献研究及“二重证据法”、“五帝时代”等问题畅谈了自己的看法。

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