The variable-domain variation is a specific tool of handling unknown boundaries and suitable for designing airfoil shape.
变域变分是一种处理未知界面的独特工具，极适合于气动外形的设计求解。
The results show that the non-linearity is mainly attributed to a thermal fluctuation magnetic after effect and a numerical variation of the magnetic domain with frequency.
结果表明，非线性主要来源于热起伏磁后效和为了降低微涡流损耗而引起的磁畴数随频率的变化。
And a theoretical model is established to expound the variation of pulse duration and the modulation on the pulse envelope similar to the diffraction characteristics in spatial domain.
通过与光束的空间传输特性类比解析了光栏宽度变化引起的脉宽变化以及脉冲轮廓出现时间衍射调制现象；
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