方法：文献计量分析法。

Methods: Bibliometric analysis was used.

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最后对文献计量分析应用于日本技术预见中的优点进行总结。

At last, the advantages of bibliometrics analysis on the technology foresight in Japan are summarized.

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引文分析是以文献引用数据为基础，用以揭示其数量特征和规律的一种文献计量分析方法。

The analysis of citation is a statistical method to reveal the characteristics of the quantity and law of the citations cited by documents.

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