free oscillation

基本解释

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。
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。
The data of the earth spherical free oscillation can be used to invert focal mechanism of this earthquake and to explore the inner structure of the earth.
该地震的地球自由振荡信息，可用于地震震源机制研究和地球内部结构研究。