约书亚树公园“第四营”的树林中有他为自己建造的训练馆，里面是他和他同样梳着马尾辫的伙伴们——一群梦想家，为了成为“石头大师”而努力训练。
At Camp IV in Yosemite he built his own gym among the trees, in which he and his fellow ponytailed dreamers trained to be "masters of stone".
用计算机模拟试验的方法，对杉木和马尾松平均树高、平均胸径及最大密度的数学模型的预报有效性进行检验。
This paper deals with the effectiveness of H-HA models, D-H models and maximum density-D models of Chinese fir and Masson pine, making use of computerized simulation tests.
运用所拟合的数量化回归模型预测马尾松幼林的树高和胸径可达到较高的精度。
The fitted quantitative regression models could be used to forecast height and DBH of the young stands, and the forecast precision was high.
而马尾松的树高生长虽然较快，但自然整枝较差，树干不通直，且虫害较严重，抗性差；
P. massoniana showed fast height growth but poor natural trimming , crooked bole, low insect pest resistance.
而马尾松的树高生长虽然较快，但自然整枝较差，树干不通直，且虫害较严重，抗性差；
P. massoniana showed fast height growth but poor natural trimming , crooked bole, low insect pest resistance.
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