结合随机激励下齿轮非线性系统的特点，研究了一种分析齿轮非线性随机系统的全局初值特性的方法。
Considering the characteristics of a nonlinear gear system with stochastic excitation, a method for analyzing the system's global initial characteristics was described.
这些特性包括：不确定性、内在随机性以及初值敏感性。
These characters include: uncertainty, internal stochastic and sensitive to initial conditions.
混沌系统的一个重要特性是初值敏感性和参数敏感性。
An important property of chaos system is initial sensitivity and parameter sensitivity.
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