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来源：雅诚德英语网
The results show that the average value of tracheid form can not be affected by the planting density through variance analysis .
结果表明，造林密度对马尾松管胞形态总平均值影响不大，方差分析不显著；
The results show that the average value of tracheid form can not be affected by the planting density through variance analysis .
结果表明，造林密度对马尾松管胞形态总平均值影响不大，方差分析不显著；