Under network externalities condition, technological innovation of firm displays a different characteristic from conventional industry, R&D competition becomes more and more fierce.
网络外部性条件下，企业的技术创新活动呈现出与传统产业不一样的特征，R&D竞争越来越激烈。
Under network externalities condition, technological innovation of firm displays a different characteristic from conventional industry, R&D competition becomes more and more fierce.
网络外部性条件下，企业的技术创新活动呈现出与传统产业不一样的特征，R&D竞争越来越激烈。
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