十七年是少数民族题材电影的初创期和黄金期。
Seventeen- year is gold issue and the newly established issue of minority subject film.
20世纪上半期是中国考古学的初创期，对这段学术史的研究具有非常重要的意义。
The chinese archaeology was originated in the first middle period of the 20th century.
20世纪上半期是中国考古学的初创期，对这段学术史的研究具有非常重要的意义。
The chinese archaeology was originated in the first middle period of the 20th century.
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