This reduces memory usage during the iteration because the stack depth is constant instead of dependent on the height of the tree.
这减少了迭代过程中的内存占用，因为堆栈深度始终保持一致，而不依赖于树的高度。
Before you go tree shopping, measure the height of the ceiling in the room where you will display your tree.
出去买树之前，应该量一量放树的房间房顶的高度。
Let's say you planted a coconut tree and a mango tree in your garden when they were young saplings, and they were the same height.
我来打个比方吧：你在花园里种了一棵椰子树和芒果树树苗，它们栽下去的时候高度相同。
They collected data on 14 variables, such as human height, the price of gold, tree ring width, and temperature from pre-industrial Europe between the years 1500 and 1800.
他们收集的数据涉及到14种变量，包括人类身高，黄金价格，树木年轮密度，以及欧洲工业化之前公元1500年到1800年之间的温度变化。
A medium-thick shelterbelt can reduce wind velocity by more than 10 percent to a distance of 20 times the tree height on the leeward side and three times the height to the windward.
中等厚度的防风林在背风侧可在20倍于树高的距离而在迎风侧则在3倍于树高的距离上减小风速10%以上。
Tree density in the forest decreased with the increases of height class and diameter class, whereas species abundance did not increase.
栎类次生林乔木的密度随高度级、径级的增加而递减，但树种丰富度却不随树木的密度增加而增加。
The correlation between frequency variations of enzyme bands and tree height, DBH and volume was very small. Only B45 band came up to or closed significant level.
酶带频率变异与树高、胸径、材积生长相关性很小，只有B _(45)酶带与生长相关达到或近于显著水平。
The relationships among 5 competition index and DBH, tree height and crown length have been established.
选取5种竞争指标，建立人工落叶松林木胸径、树高和冠长与各竞争指标间的相关关系。
The analysis of yield and quality of crops indicated that the sheltering range of shelterbelt net was 25 times tree height.
作物产量和质量分析表明，林网的防护范围为25倍树高。
The results showed that with pear genus dwarf stocks, the most combinations' trunk diameter is thinner, tree height is lower, growth shoots length is shorter, but crown diameter is bigger.
结果表明，梨属矮化砧木做中间砧，多数组合表现出树体干径细，高度低，发育枝短，但冠径较大。
Differences on tree height and row space among the patterns results in different sunlight time in space.
由于各配置模式在树高、行距的差异，日照时数在林内的空间分布不尽相同。
It reminds me of a colourful depiction of the poetry of willow: jasper makeup into a tree height, ten thousand lop green silk sash.
这让我想起一首描写柳树的诗词：碧玉妆成一树高，万条垂下绿丝绦。
But the giant redwood tree grows to a height of ninety meters.
但巨大的红木树能长到九十米的高度。
The prominent merit of this algorithm is that it can reduce the height of a tree, and can raise readability of classing rules.
该算法的优点是能有效降低树的高度，而且增强了分类规则的可读性。
This model contradicts the hydraulic limitation hypothesis on tree height growth.
该模型对树木高生长的水力限制假说提出了置疑。
The significant differences also existed in wood basic density, fiber length and fiber diameter at different tree height.
不同树干高度处的平均木材密度、纤维长度和纤维宽度存在显著差异。
But it is the same with man as with the tree. The more he seeks to rise into the height and …
其实人跟树是一样的，越是向往高处的阳光，它的根就越要伸向黑暗的地底。
Factors involved in the model are tree height, DBH, bark thickness at breast height, height of first dead branch, and height of blackened trunk.
判别因子包括个体的树高、胸径、胸高处皮厚、第一枯枝高和树干熏黑高度。
Crown distribution diagram of the community. The crown depths were the difference between tree height and height of lowest leaves.
群落的树冠分布图树冠深度为树高与叶下高的差值。
Birds boost tree height up to 33 percent by munching on pesky parasites that can literally suck the life out of the tall-growing plants, a new study shows.
根据一项新研究显示，鸟儿嚼食讨厌的寄生虫，可以促进树木的高度增加达33%，因为寄生虫会把树木的生命力吸食殆尽。
Repameterizing the average tree height growth model improved the fitting results a lot by introducing site index and density index variables.
引入地位指数和密度指数可大幅提高林龄单因变量平均高生长模型的拟合度。
The purpose is to keep the tree within height and width bounds for more economical management .
目的是使树冠保持在一定的高度和宽度的范围内，更经济地管理。
The POD activity have a strikingly negative relationship with the height of tree, trunk girth, diameter of crown, the volume of the tree crown, and the dwarfed nature of the stocks.
POD活性与树高、干周、冠径、树冠体积呈显著负相关，与砧木的矮化性呈负相关。
Additionally, investigations on shelterbelt trees were carried out, and stem-analysis techniques were used, to develop a method for determining the mature height of tree windbreaks (H0).
另外，通过对林带树木的野外调查，应用树木解析技术确定林带成林高(H 0)。
Both the Numbers of tree species and tree density decreased as height class or diameter class increased, fitting both negative exponential and negative power equations.
树种数和树木的密度都随高度级、径级的增加而呈负指数或负幂函数递减。
There was a significant positive correlation between tree species abundance and tree density for trees of different height classes.
常绿阔叶林内不同高度级、不同径级和不同样方斑块内的树种数都与树木密度呈显著的正相关关系。
Parabolic curve function, power function, Richards equation and single molecular equation, related tree height to diameter at breast height and widely used in forest gap model, were analysed.
为了更准确地描述树高与直径的关系，文章综合分析了广泛应用于林窗模型中的四个数学方程，即二次曲线、幂函数方程、理查德方程和单分子方程。
Compared the evaluated height with the true tree height, the errors were within 0.7% to 4.4%, and consequently the errors of volume between 2.1% and 4.7%.
与实际树高相比，重建树高中最大误差是4.4%，最小误差为0.7%，在此基础上计算的材积最大、最小误差分别是4.7%和2.1%。
These models could be used to generate the standard tables for tree height, dbh, stand density and density control map.
模型可用于编制树高标准表、直径标准表、密度标准表以及密度控制图等。
These models could be used to generate the standard tables for tree height, dbh, stand density and density control map.
模型可用于编制树高标准表、直径标准表、密度标准表以及密度控制图等。
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