stand density的例句大全

Study on natural Dahurian Larch stand growth model and variable density yield table

兴安落叶松天然林林分生长模型和可变密度收获表的研究

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If they stand with the density of a mosh pit crowd, 1 we can triple the number of archers per square foot.

如果他们站得和夜店狂舞区那里一样近，1每平方英尺的人数就可以翻两番。

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The stand of big density has a larger quantity of living beings and net productivity.

密度大的林分，生物量和净生产力也大。

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A further study of the interaction of density on stand productivity has enabled the optimal spacing to be singled out, on which various vegetative growth indices for a high outturn are proposed.

依据林分产量&密度数量关系，确定了最适栽培密度，并提出了丰产林分的若干营养生长指标。

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Based on the density management model of plantation established by continuous stages dynamic program, the linear program of zero-one variables was presented to optimize decision of thinning techniques during stand management. The mathematical model and concrete method were presented and discussed.

在以连续状态的动态规划方法建立人工林密度经营模型的基础上，提出应用0－1规划方法优化人工林林分经营过程的间伐技术的决策组合，并阐明其数学模型和具体方法。

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The density of Casuarina stand affected the producing of self-allelopathy.

林分密度影响 木麻黄 他感物质的分泌.

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Vanadium redox battery can stand quick charge and discharge with high current density.

钒电池大电流充放电承受能力强,特别适用于需要快速充电和大电流放电的场合.

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the gross wood yield of stands increased with stand age, and increase with initial planting density increasing at the same stand age, and increased with the site index increasing when the initial density was same.

林分的总出材量随着林龄的增加而增加；林龄相同时，随着初植密度的增加而增大；初植密度相同时，随着立地指数级的增大而增大。

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Ash has much higher fine root biomass density in the soil than larch at stand level ( with the max value of 4442.3 vs. 2234.9 gm-3).

在林分水平上，水曲柳的根生物量密度高于落叶松（分别为4442.3和2234.9g/m3）。

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Stand description factors affecting the harm extent of the Gypsy moth ( Ocneria dispar) was studied, through stepwise regression analysis from which three significant ones were selected: crown density, infertile extent of soil and forest area.

研究了12个影响舞毒蛾危害程度的林分因子，对这些林分因子对舞毒蛾危害程度进行逐步回归分析，从中筛选出主林层郁闭度、土壤瘠薄程度和林地面积3个关键因子。

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A study on density optimum control during stand management for plantation

人工林经营过程密度最优控制研究

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