يعرض 101 - 120 نتائج من 12,214 نتيجة بحث عن '(( significant contribution rate ) OR ( significant amount decrease ))', وقت الاستعلام: 0.48s تنقيح النتائج
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    Calculation of the contribution rate of China’s hydraulic science and technology based on a feedforward neural network حسب Rongrong Xu (7314191)

    منشور في 2019
    "…It is not obvious that the significant increase in the labor force has contributed to the growth of China’s water conservancy industry. (2) The average contribution rate of scale economies in 1981–2016 was 26.7%, and the contribution rate of scale economies is negatively correlated with the capital contribution rate. (3) The average contribution rate of China’s hydraulic science and technology was 43.6% from 1981 to 2016, and the average contribution rate of the total factor productivity after removing scale economies from 1981 to 2016 was 16.9%. …"
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