Most skewnesses were positive, most kurtosises were negative, which showed that diameter distribution range of population with middle-diameter timber …
偏度大部分呈正偏，峭度大部分为负值，说明种群直径分布范围较大，中径材占多数。
The results showed: (1) The stands with different remaining years presented outstanding difference in the numbers and breast-height diameter of new culms and the output of bamboo timber.
不同留养度数的毛竹林、其新竹数量、新竹胸径和竹材产量的差异是显著的。
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