The theory of protective level blasting by using duplicate cushion in large hole is put forward and the optimized design of the duplicate cushion was done by numerical value calculation.
文章提出了在保护层爆破中采用大孔径复合垫层爆破，对复合垫层爆破的理论进行了研究，并通过数值计算对复合垫层进行了优化设计。
A pulsed solenoid magnet, which is applied for direct measurement of magnetocaloric, is designed by classical electromagnetic method and finite element numerical value calculation method.
采用经典电磁场、有限元数值计算两种方法，设计了一种用于磁热效应直接测量的脉冲螺线管磁体。
A pulsed solenoid magnet, which is applied for direct measurement of magnetocaloric, is designed by classical electromagnetic method and finite element numerical value calculation method.
采用经典电磁场、有限元数值计算两种方法，设计了一种用于磁热效应直接测量的脉冲螺线管磁体。
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