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.
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。
The Fourier series of load is given by using generalized step function and the displacement formula of the longitudinal shear problem is derived.
应用广义阶梯函数来表示载荷，然后再将其展开成傅立叶级数形式，推导出纵向剪切问题的位移计算公式。
Then the new step function space is introduced and stability problem for the finite difference scheme is discussed by means of variational approximation method.
然后引入新的步长函数空间，并在这个空间上，采用变分近似法讨论该格式的稳定性问题。
Resistance temperature coefficient (RTC) of step function PTC thermistor depends on it's measurement methods, therefor the obtained results are not unique and comparable.
目前突变型PTC元件电阻温度系数的测量方法各种各样，因此测试结果缺乏唯一性和可比性。
As one of the singular functions, step function plays an important role in the transient analysis of dynamic circuits and its definition is the key to analyze transient circuits.
阶跃函数是一种奇异函数，它在分析动态电路过渡过程中具有重要的作用，如何定义阶跃函数是正确应用其分析动态电路的关键。
A kind of optimization containing step function in coefficient is studied in this paper.
研究了一类系统含阶梯函数的优化问题。
A kind of optimization containing step function in coefficient is studied in this paper.
研究了一类系统含阶梯函数的优化问题。
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