Effective demand's lasting growth is the key to national economic increasing continuously.

国民经济能否持续增长，有效需求能否持续增长是关键。

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Abstract: Recently, the amount of Enclosing Disk with Book in college library is increasing continuously.

摘要：目前，高校图书馆随书附盘数量正在不断的增加。

youdao

Abstract: Recently, the amount of Enclosing Disk with Book in college library is increasing continuously.

摘要：目前，高校图书馆随书附盘数量正在不断的增加。

youdao