Quantitative Determinding the distribution of magnetic field of permanent magnet brushless d. c. motor, is very important to analyze its properties.
永磁无刷直流电动机磁场分布的定量确定对电机性能的预测极为重要。
In view of more complexity in 3-D, 3-C seismic field operation and high cost of acquisition, the optimum analysis of seismic field acquisition geometry is more important.
鉴于三维三分量的野外作业更加复杂，采集成本更高，因此野外采集地震观测系统的优化分析更为重要。
In view of more complexity in 3-D, 3-C seismic field operation and high cost of acquisition, the optimum analysis of seismic field acquisition geometry is more important.
鉴于三维三分量的野外作业更加复杂，采集成本更高，因此野外采集地震观测系统的优化分析更为重要。
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