Finally, it introduces new progresses of econometrics of panel data.
最后，介绍面板数据计量经济学的一些新进展。
The progresses of clinical research on this new method were reviewed in this article.
本文对此技术的临床研究进展做一综述。
The progresses of clinical research on this new method were reviewed in this article.
本文对此技术的临床研究进展做一综述。
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