本文分析了草原害鼠年度波动类型，影响鼠类波动的因素，以及不同预测模型的特点。
This paper analysis the types of rodent population dynamics and models about forecast are also introduced.
这种类型的社会变化，使得对比今天与1970年代的家庭收入波动变得更加困难。
These type of social shifts make it harder to compare today's typical family income volatility with that of the 1970s.
衡量模型建立者的威望的标准之一就是他们的模型在不同类型的自由市场所引起的波动。
One measure of the modellers' prestige is the disquiet they inspired among free-market types.
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