That the complex stress state change is aroused between armor plates under explosive or shock force is expressed by complex stress wave propagation.
在爆炸或冲击荷载作用下，钢板间会引起复杂的应力应变状态的变化，表现在应力波传播比较复杂。
Masonry under the action of dynamic load elastic modulus and the complex stress state under the elastic modulus value remains to be further studied.
砌体动力荷载作用下的弹性模量以及复杂应力状态下的弹性模量取值尚有待进一步研究。
A considerable amount of theoretical and experimental research on strength theory of materials under complex stress state was done in the 20th Century.
在20世纪，关于材料在复杂应力状态下的强度理论进行了大量的理论研究和实验研究工作。
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