enterprises' technology innovation activities
enterprises' technology innovation activities
企业技术创新活动
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In addition, it has contributed to improve total factor productivity by changes in technology innovation activities in the Beijing high-tech enterprises and other industry.
此外，北京高技术企业及各行业技术创新活动的技术变动对全要素生产率的提高均有贡献。
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