本文根据植物根系的几何特征，结合植物根系的生长函数，探讨了微分l系统理论在植物根系模拟中的具体应用。
According to the geometric character of the plant root systems, the method was designed to simulate the continuous growth of the plant root systems with differential L-systems theory.
利用已建立的阶跃函数模型可以有效地预测不同桉树品系人工林树冠生长动态，为桉树人工林的合理经营提供科学依据。
With these step function models, the crown diameter growth of Eucalyptus clones can be predicted, and it also provided scientific basis for the reasonable management of Eucalyptus plantations.
在分析已有成果的基础上，用生长曲线来描述敏感指数的累积函数，并给出了参数的求解方法。
By reviewing the previous studies, the authors use a growing curve to represent the cumulative function of sensitive index in Jensen model.
整个观测期内的树干直径累积生长过程可以较好地用幂函数描述。
The pattern of cumulative growth could be fitted by the power function satisfactorily.
随着丛径的增加，不同构件的数量均具有线性同速生长规律，而不同构件的生物量均具有幂函数异速增长规律。
With the increase of tuft size, the number of different modules was in a linear isogony growth, while their biomass was in an power allometry growth.
在结实中期之前，叶片干重的相对增长速率或叶面积的相对扩展速率与生长时间之间均成对数函数关系。
Before the intermediate fruiting stage, the relationships between relative increasing rate of LW and relative expanding rate of la, and growing time of t.
根据15年的试验观测数据，分析了水稻在不同生育期遭受水分胁迫对其生长发育的影响，并提出了水稻水量生产函数。
Based on test data of 15 years, it was analysed the effect of soil water stress on rice in different growth period and presents rice water production function.
改进传统窗口调节函数，结合模糊集理论和三维区域生长技术，提出并实现一种采用CT体数据场的人体器官提取新方法。
Based on the adjustment function, combining to fuzzy sets theory and 3d region growing technology, an approach for organ extraction from the ct human volumetric data was developed.
按树木生长和竞争关系，建立树木生长的修改函数。
Tree growth modification was constructed in according to relationship of tree to competition.
在管壁应力计算技术的基础上，引入生长势能函数，对血管重新构型的过程进行计算分析。
Growth deformation gradient through stress potential in the restructuring of blood vessel was proposed and a numerical example was given.
为了克服传统的树干解析法预估树高每年生长的偏差，建立了相对偏差与年龄的关系函数，用以修正传统的树干解析法预估的树高每年生长。
A function of relatively deviation and age was established aiming to amend the annual height growth in the estimation by the traditional stem analysis.
模型优化结果表明：在所有参与模拟的树冠生长的阶跃模型中，以幂函数模型为最优。
The optimizing model results show that the power model is the best one in all models tested.
结果表明，渣皮生长遵循幂函数规律。
The result showed that slag skull growth followed the power function.
植物群落的补偿性生长与载畜率的关系可以用开口向下的二次函数或者斜率为负的线性函数模拟。
For most systems, compensatory growth could be simulated with linear or quadratic models when the percent biomass eaten by sheep was used as an index for estimating the relative stocking rate.
植物群落的补偿性生长与载畜率的关系可以用开口向下的二次函数或者斜率为负的线性函数模拟。
For most systems, compensatory growth could be simulated with linear or quadratic models when the percent biomass eaten by sheep was used as an index for estimating the relative stocking rate.
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