Besides, the theoretical results obtained here are compared with the measured data of temperature fluctuation for free jets.
2
为了获得模型的柔度特性、频率、阻尼等进行了脉动试验、自由振动、锤击试验等。
The model was subjected to pulsation, vibration, free vibration and hammering tests in order to investigate its flexibility, frequency and damping characteristics.
3
本文的着重于地脉动测试自由场地自振频率的机理研究。
This paper emphasize in study of mechanism of vibration frequency for free site in microseism testing.
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