regressive tax rate [税收] 递减税率 ; [税收] 累退税率 ; 累进税率
tumour regressive rate 肿瘤消退率
It built the regressive model between the rate of urea hydrolysis and the four factors.
建立了尿素水解速率与四因素的回归模型。
The results of regressive tests of GPV wild strain showed that latent period was8d, lasting1~3d after infected, and lethal rate was100%.
回归试验结果表明,该GPV野毒株的感染潜伏期为8天,病程为1~3天,致死率达100%;
The quantitative relationship between secondary dendrite arm spacing and solidification cooling rate of AZ91 was obtained by regressive analysis.
用数学回归的方法得到了AZ91镁合金的凝固冷却速度与二次枝晶间距的定量关系式。
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