Flexible fixtures are usually used in vibration tests of large test items. 大型试件的振动试验通常采用的是柔性夹具。
A number of electromagnetic vibration exciters of a large size have been produced for vibration testing in the aircraft and missile industries. 为了进行航空及导弹工业的振动试验，已经建造了若干大型电磁式激振器。
