The innovation of technology follow "the theory of threshold", which means that stable output of technology bases on sufficient input of R&D.
前言：技术创新遵循“阀值理论”，即只有当研发资源集中到一定程度才能使研发成果成为稳定输出。
The innovation of technology follow "the theory of threshold", which means that stable output of technology bases on sufficient input of R&D.
前言：技术创新遵循“阀值理论”，即只有当研发资源集中到一定程度才能使研发成果成为稳定输出。
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