本文提出多自由度振动系统固有频率的一种近似解法。
A new approximate solution is given in this paper to estimate the fundamental frequency of vibration system with multiple freedom degree.
在大自旋极限下，自旋自由度可以近似用经典自旋来描述。
In the large spin limit, the degrees of freedom of the spin part can be described by the classical Ising spins.
同时，作为一级近似，在自由大气中我们可以忽略涡度粘滞力的影响。
At the same time, we can neglect, as a first approximation, the influence of eddy-viscosity forces in the free atmosphere.
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