在磁偶极相互作用区域内，我们研究了一个矩型磁性线中的静磁波导模式，解析的色散关系被求出。
In the region of dipole-dipole interaction, we investigate magnetostatic guided modes in a rectangular magnetic wire. The analytical dispersion relation is obtained.
通过对步进电动机矩频特性及其运动方程序的分析，建立了步进电动机最高运行频率的数学模型，即最高运行频率为最大静转矩和负载转矩的函数。
The mathematical model of stepper motors maximum operating frequency is established based on the analysis of stepper motors torque-frequency characteristic and systemic motion equation.
通过对步进电动机矩频特性及其运动方程序的分析，建立了步进电动机最高运行频率的数学模型，即最高运行频率为最大静转矩和负载转矩的函数。
The mathematical model of stepper motors maximum operating frequency is established based on the analysis of stepper motors torque-frequency characteristic and systemic motion equation.
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