微观经济杠杆方法在财务分析中应用的长处在于能够从整体的角度来分析企业风险，并且能对财务报表上的变化作出灵敏的反应。
The profit of financial analysis is to use a holistic view to analyze corporation risks, so as to have a sensitive reflection to the financial report forms' changes.
分析了几种不同的动态聚焦系统的特点，给出了激光束通过该系统的变换公式以及光杠杆比和透镜焦距的确定方法。
The several dynamic focus systems are analyzed. The transmission formulas of laser through them and the way to define the optical lever ratio and the focus of lens are given.
系统地给出了杠杆模拟法的理论和应用方法，并将该方法推广成为行星式变速器动力学分析的通用方法。
The theory and solution of the lever analogy are systematically given, and the method is generalized to become a common one of dynamic analysis for planetary transmission.
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