本文对国家科技传播体系内知识交流的途径和现状进行了分析，并提出了相关的政策建议。
This paper analyzes the present condition and channel of knowledge interchange in the national system of scientific communication and some policy are suggested.
本文通过政策传播流程，从动态的角度考察探讨上海民营高科技企业核心技术竞争力的政策激励方式；
In this paper, we take a dynamic view on policy motivation on core tech competence of Shanghai high tech private- own corporations.
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