| 1. | Any system capable of a free vibration without external force is a counter example, e.g. a wire in the piano .
任何一个无外力而能自由振动的系统就是一个反例，譬如钢琴中的一条钢丝。 |
| 2. | Analysis of free vibration characteristics of stringed beam structure
张弦梁结构的自振特性分析 |
| 3. | Development and property test of gzz - 1 free vibration column test system
1型自振柱试验机研制与性能试验 |
| 4. | Free vibration column test
室内土工试验自振柱试验 |
| 5. | The study of nonlinear thermoelastic free vibration of simply supported circular plate
简支圆板非线性热弹耦合振动问题的研究 |
| 6. | Free vibration analysis of long - span suspension bridge scheme and effects of structure parameter
既有桥梁的技术检定试验研究 |
| 7. | The analysis of free vibration of short cylindrical shell in thermal - elastic coupled field
热弹耦合温度场中短圆柱壳的动力响应分析 |
| 8. | It can be used to solve free vibration problem of rectangular plates with arbitrary boundaries
可用来求解任意边界矩形板的振动问题。 |
| 9. | A new method to analyse free vibration of circular plates with oscillators or and elastic supports
拉压不同弹性模量结构的动力特性分析 |
| 10. | Free vibration analysis of a cantilever mortar beam with electrorheological fluid in a central crack
含电流变体砂浆复合悬臂梁结构的振动分析 |
