The retrieval of chemical information has transited to the network from the online on document database.

化学化工信息资源的检索方式已由对大型文献数据库的联机信息检索过渡到网络信息检索。

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The retrieval of chemical information has transited to the network from the online on document database.

化学化工信息资源的检索方式已由对大型文献数据库的联机信息检索过渡到网络信息检索。

youdao