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| 谐和振动; 谐振 | |||
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| 简皆振动; 谐和振动 | |||
| 调和震动 | |||
| 谐振动 | |||
| 谐振 | |||
| 简谐振动 | |||
| 谐振动谐波振动 | |||
| 谐波振动 | |||
| 和谐振动 | |||
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harmonic vibrations : 22 phrases in 9 subjects |
| Automobiles | 1 |
| Bridge construction | 2 |
| Chemistry | 1 |
| Engineering geology | 2 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 1 |
| Soil science | 2 |
| Technology | 11 |
| Wind Energy | 1 |
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