预应力法在转子动力学问题的研究中可进一步拓展。
The prestress method should be developed in the study of the rotor dynamics problems.
目的：探讨应用动力髋螺钉治疗老年股骨转子间骨折的临床疗效。
Objective: To investigate the effects of dynamic hip screw in the treatment of senile intertrochanteric fracture.
目的：探讨动力髋螺钉（DHS）治疗股骨转子周围骨折的疗效及所致并发症的原因。
Objective: To study the clinical outcomes and the reasons of complications of treatment of peritrochanteric fracture of the femur with the dynamic hip screw(DHS).
包含在快速膨胀的蒸气（不是蒸汽）或气体中的能量使转子旋转并产生发动机的动力。
The energy contained in the rapidly expanding vapors (other than steam) or gases turns the rotors to produce power of the engine.
主动磁轴承技术是一种高新技术，其研究涉及到电磁学、控制理论、机械学、转子动力学以及计算机科学等多个学科的知识。
AMB is one of the advanced technology, and the research come down to Electromagnetics, Control Theory, Mechanics, Rotor Dynamics and Computer Science, and so on.
它是集机械学、转子动力学、控制工程、电磁学和计算机科学于一体的最具代表性的机电一体化产品。
It is the most representative machinery integration product which relates to many science fields such as mechanics, rotor dynamics, control engineering, electromagnetics, computer science and so on.
应用精度高、速度快的非线性油膜力数据库方法及非线性动力系统的稳定性和分叉理论对转子-轴承系统进行了分析。
The rotor bearing system was investigated using the stability and bifurcation theory for nonlinear dynamic system and the database method.
滚动轴承作为航空发动机转子系统广泛采用的一种支承，其力学特性对转子系统的动力特性有重要的影响，尤其是高速下更为显著。
The ball bearing is widely used in aero-engines. Its mechanical properties exert important influence on the dynamic characteristics of rotor systems, especially at high speed.
临界转速是离心压缩机转子系统的主要动力参数之一。
Critical speed is one of the important dynamic parameters of the rotor system in centrifugal compressor.
研究了非线性径向轴承支承的转子系统的动力行为。
Dynamic behaviors of a rotor system with nonlinear journal bearing supports were analyzed.
本文将简化传递矩阵法扩展用于计算有分义或内、外套轴的各种复杂转子的动力特性。
In this paper the simplified transfer matrix method is extended and used for the dynamic analysis of complex composite rotor systems.
研究了具有滑动轴承支承的平衡转子系统的非线性动力行为。
Nonlinear behaviors of balanced rotor dynamical system with sliding bearing supports were analyzed.
轴承支承刚度对高速转子——支承系统的动力特性有重要的影响。
The bearing stiffness has a considerable influence on the dynamic characteristics of a rotor-bearing system.
采用裂纹深度修正的非线性开闭裂纹模型，研究涡动影响下挠性裂纹转子的动力学行为。
A nonlinear crack modal, modified by the crack depth, is used to study a cracked rotor with the influences of whirl speed.
目的分析动力髋螺钉(DHS)治疗股骨转子骨折手术失败的原因，为提高手术效果提供借鉴。
Objective to analyze the causes of failed treatments of femoral intertrochanteric fractures with DHS (dynamic hip screw) so as to improve therapeutic results of the operations.
目的：研究a2型股骨转子间骨折动力髋螺钉(DHS)固定加骨水泥强化对内固定生物力学影响。
Objective: To evaluate the biomechanical effects of the dynamic hip screw (DHS) augmented with bone cement in A2 intertrochanteric fractures.
结合现有的转子结构动力特性计算方法，开发出分析航空发动机转子系统动力特性的通用计算程序。
According to the calculating methods of current rotor structure dynamic characteristics, a general calculating program of analyzing aero-engine rotor system is developed.
创造性的把DEM的原理和思想方法引入到齿轮啮合转子系统的动力学分析中。
Principles and thinking of DEM was creatively introduced into dynamics analysis of the gear meshing rotor system.
为了有效地降低回转机械由于质量不平衡引起的振动故障，基于转子动力学理论和有限元数值分析方法，进行了柔性转子系统虚拟动平衡研究。
A virtual balancing method of a flexible rotor based on rotor dynamic and finite element method is proposed in this paper to decrease the vibrations caused by mass unbalancing.
轴承的动力特性对转子-轴承系统的动力特性有重要的影响。
The dynamic characteristics of the bearings have a considerable influence on the dynamic characteristics of a rotor bearing system.
转子动力学问题是液体火箭发动机研制中最复杂的问题之一。
Rotor dynamic is one of the most complicated problems in development of LOX turbopump of liquid rocket engine.
然而由于磁悬浮轴承技术是一门复杂的多学科的高新技术，其研究领域涉及到机械学、转子动力学、电磁学、电子学、控制理论和计算机科学等学科。
But the technology of AMB is an advanced technology, which relates to many science fields such as mechanics, rotor dynamics, electromagnetic, electronics, control theory, computer science and so on.
研究表明，本方法适用于转子动力学，直升机旋翼-机身耦合系统以及具有流体流动的管道系统的动力分析。
Research shows that, it is suitable for rotor dynamics, dynamic analysis of helicopter rotor blades fuselage systems and piping systems contained flow fluid.
本文的工作为深入研究油膜动力特性及高速转子系统设计奠定了基础。
This article provides a basis for the further investigation into oil film dynamics and for high speed rotor system design.
介绍了天然气管线压缩机的主要设计参数、气动方案计算、强度计算、转子动力学计算的要点及机构设计的特点。
Main points and design characteristics of main design parameter, pneumatic, strength and rotor dynamics calculations of centrifugal compressor natural gas pipe line are introduced.
采用整体传递系数法计算转子系统的动力特性，进而求解双转子系统的瞬态响应。
The dynamic characteristics were calculated by the WTCM, and then the transient responses of dual-rotor system were solved.
陀螺系统特征值问题是在转子动力学中提出的一个典型的数学问题。
Eigenvalue problem of gyroscopic systems is a typical mathematical problem derived in rotor dynamics.
转子动力学的纯弯曲振动理论和纯扭转振动理论一般不能解释这一现象。
Usually , the vibration phenomena can not be explained by the theory of the pure lateral vibration and the pure torsional vibration of rotor dynamics.
转子动力学的纯弯曲振动理论和纯扭转振动理论一般不能解释这一现象。
Usually , the vibration phenomena can not be explained by the theory of the pure lateral vibration and the pure torsional vibration of rotor dynamics.
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