The switch magnetic resistance servo motor is driven by the first level deceleration belt transmission and a motor shaft does not bear rigid shock;

开关磁阻伺服电机经一级减速皮带传动，电机轴不承受刚性冲 击；

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When the velocity of the rigid wall is zero, these formulas degenerate to that for the interaction of air shock wave with static rigid wall.

当刚壁速度为零时，这些公式退化成空气冲击波遇固壁相互作用的计算公式。

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Stuldies on the Mach reflection of spherical shock wave produced by electric exploding metallic wire on rigid wall were carried out in this paper.

本文对金属丝电爆炸产生球面激波在固壁上的马赫反射作了研究。

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Elsewhere, a young girl was pulled out of the rubble alive but rigid with shock.

BBC: Dhaka collapse: Rescue operation's search for survivors

The more rigid wages are, the greater the need for a flexible exchange rate to help the economy respond to an external shock.

ECONOMIST: Getting out of a fix