Fourth, the theoretical model of optimum technological growth rate under discrete change is erected.
第四，构建了技术突变条件下的最优技术增长率模型。
The annual change regularity of radon release rate from uranium tailings was observed. The optimum season and condition of monitoring the annual average radon release rate are summarized.
通过用该方法对铀尾矿库现场连续一年的监测，观测了铀尾矿库年氡析出率的变化规律，总结出年平均氡析出率的最佳测量季节和测量条件。
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