针对一类航天器外伸结构的结构振动问题，提出了一种动应变控制方法。
Some space structures have critical vibration problems owing to their low stiffness and low damping.
介绍了等强度梁动应变冲击试验测试仪器的控制系统设计和其中一些关键技术。
The design of dynamic strain impact testing apparatus of beam with equal strength and some important technique are introduced.
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