period of free oscillation 自由振荡周期
earth free oscillation [地物] 地球自由振荡
free-oscillation 自由振荡
amplitude of free oscillation 自由振荡振幅
free oscillation of the earth 地球自由振荡
frequency of free oscillation 自由振荡频率
Free oscillation laser 自由振荡激光
free oscillation system 自由振动系统
7 are processed, the PSD of Earth free oscillation is obtained.
7级大地震数据进行处理，获得地球自由振荡的功率谱密度。
Free oscillation of ball in guide ribs facilitates full port flow with minimum turbulence and chatter.
在导翼中自由振荡的球有利于全流道流动，最大限度减小湍流和振荡。
In this paper, the author completed the connection survey of a vertical shaft simply and precisely by the observation method of free oscillation.
本文根据作者多年建井测量的实践经验，采用自由摆动观测方法，简单快捷、高精度地完成立井联系测量中的坐标传递工作。
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