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1·7 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。

2·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。

3·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。

4·Through the calculation of thermal stress values, it has been affirmed that free oscillation laser ignition of the explosive is heating ignition.

本文用一维激光热熔条件计算了与时间效应有关及无关的热应力值，从理论上证明自由振荡激光引爆机理是热起爆；

5·The earth free oscillation can be used to constrain structure of the earth interior, including velocity, discontinuity as well as density distribution.

用地球的自由振荡研究地球内部结构、速度间断面、密度分布等具有射线理论不可替代的优点。

6·It can be noticed that the track of rotary de-scaling is completely free of smuts and oscillation marks.

可以很明显的看到旋转除锈轨迹完全没有灰尘和震荡痕迹。