蓄积性毒性试验结果表明：伊维菌素对小鼠的蓄积系数是4.53，属于中度蓄积药物。
The results of accumulative toxicity experiment show that: the accumulation coefficient of ivermectin in mice is 4.53, which indicate that ivermectin is a medium accumulation drug.
林龄单因变量的蓄积量生长模型决定系数低，引入地位指数和密度指数再次参数化的生长模型可显著提高模型拟合度。
Single age variable stock volume growth model had low coefficient of determination, but it was improved a lot by introducing site index and stand density index in reparameterization.
林龄单因变量的蓄积量生长模型决定系数低，引入地位指数和密度指数再次参数化的生长模型可显著提高模型拟合度。
Single age variable stock volume growth model had low coefficient of determination, but it was improved a lot by introducing site index and stand density index in reparameterization.
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