在人工调节时间步长法中，通过人为控制方程中算子能量变化的办法调整时间步长；
The first one is the artificial method in adjusting to the time step, which can be realized by controling the variation of operator energy in equation artificially.
开发了一种基于有限差分算法的卷取温度控制模型，并介绍了时间和空间步长参数的选取方法。
The control model for coiling temperature based on finite difference method is developed, and how to choose the time and space step is introduced.
开发了一种基于有限差分算法的卷取温度控制模型，并介绍了时间和空间步长参数的选取方法。
The control model for coiling temperature based on finite difference method is developed, and how to choose the time and space step is introduced.
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