对包含中等尺寸的成组分布裂隙的岩体，采用岩体几何损伤本构模型，用监测位移反馈分析法同时辨识岩体弹性模量、地应力及损伤参数。

In this paper, for the joint rock mass with medial size and in-group crack, parameter identification of its geometrical damage model is studied by back analysis of in-situ measured displacement.

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针对舰船柴油机的振动隔离问题，本文对液压伺服隔振系统反馈控制理论进行了研究，建立了双层隔振系统的理论模型，用传递函数分析法推导出系统力传递率。

As far as the issue of vibration isolating of ship, this paper studies the feedback control theory of hydraulic servo isolation mounting and sets up the theory model of two_stage isolation mounting.

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基于系统动力学反馈分析理论，提出定性与定量紧密结合的系统顶点赋权因果关系图分析法。

Based on the feedback analysis theory of system Dynamics, a systemic analysis approach named Vertex Weighted Causal Loop Diagram analysis approach is presented in this paper.

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