To analyze helicopter rotor dynamic stability with a high degree of accuracy, accurate and reliable damping coefficient determinations of rotor structure are needed.
为了提高旋翼动稳定性理论模型的分析精度，需要精确地确定旋翼系统的结构阻尼系数。
Response surface method(RSM)is an efficient method to analyze the stability reliability degree for complicated structure, such as underground structure.
响应面方法是地下复杂结构稳定可靠性分析的有效方法之一。
The aim of this paper is to analyze composite soil nailing support with limited equilibrium method and to investigate the influence of retaining parameters on the stability of soil nailing structure.
本文研究目的在于采用极限平衡分析的方法对复合型土钉支护的稳定性进行理论分析，研究土钉支护参数对复合型土钉支护边坡稳定性的影响。
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