以下为句子列表：
英文: Based on the transmission boundary condition, the calculation method of the numerical value of the dynamic model e quation, the discrete form of the pipeline, the storage method of the parameters and the difference equation are given out.
中文: 根据输送边界条件，给出了动态模型方程的数值计算方法、管道离散格式、参数存储方法和差分方程。
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英文: By using the theorem of fixed points on cone a class of boundary value problems of fourth order difference equation was discussed and the sufficient condition of existence of one or two positive solutions was obtained.
中文: 摘要利用锥上的不动点定理对一类四阶差分方程进行了讨论，得到了一个及两个正解的存在性的充分条件。
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英文: Consider the second-order semi-linear neutral difference equation (the equation is abbreviated) (1) The sufficient conditions are established for oscillation of the solutions of (1).
中文: 摘要考虑二阶半线性中立型差分方程(方程式略)(1)给出了方程(1)的解的振动性的充分条件。
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英文: The model can be made into difference equation of the temperature field that can be used to simulate calculation; then we can get the set of edge point, and we can have the function of the fire line, and we can also have the burned area, the length of fir
中文: 经差分处理，得到进行模拟计算的一组温度场计算方程；由边界点条件，求出边界点的集合后，拟合得出火线函数，积分后可得到时刻火场的过火总面积、火线长度和火场形状，同时进一步证实了对流传热方式是影响林火蔓延的主要因素。
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