本文还分析了纵向动稳定性及制动性与自重重心的关系。
The relationship between the longitudinal dynamic stability as well as braking and the centre of gravity of the own weignt is also analysed.
对方程组的周期系数处理以及前飞时的相关参数对旋翼动稳定性的影响等进行了研究。
The treatment of equations with periodic coefficients and the influence of related parameters on rotor dynamic stability were investigated.
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。
To analyze helicopter rotor dynamic stability with a high degree of accuracy, accurate and reliable damping coefficient determinations of rotor structure are needed.
它配合动电容静电计和数字电压表进行测量，其稳定性好于0.1%。
Using with a vibrating capacitor electrometer and a digital voltmeter, the stability is better than 0.1%.
本文运用有限元法的基本思路，提出了采动坡体稳定性的计算方法，并给出了实例计算。
This paper applies the general theory of finite element method, and proposes a computing method of mining landside stability and give a computing example.
对爆破动载下充填体稳定性进行了系统研究。
A systematical study is made of the stability of backfill in blasting.
现行路面材料设计中，沥青混合料的高温稳定性通过车辙试验的动稳定度参数进行控制。
High temperature stability of asphalt mixture is controlled through the dynamic stability parameters of rutting test in the design of current pavement materials.
在公路下进行地下采矿，因采动引起的地表移动和变形导致公路路基的稳定性受到影响。
When mining underground beneath highway, surface movement and deformation caused by mining disturbance will influence the stability of the highway roadbed.
主要探讨不同用量的CPE对改性硬质pvc的加工熔体流变性，动、静态热稳定性及物理力学性能上的差别。
The influences of the different contents of CPE on melt rheological property of processing modified RPVC, dynamic and static heat stability and mechanical property were discussed mainly.
母线的电流等级，导电排规格，动热稳定性能见下表。
Bus Bar's current grade, specification of bus bar, heat stability are as follows.
采用自由振荡法数值模拟了平头、钝头外形的超声速俯仰振荡时间历程，并应用奇异分解线性最小二乘法辨识稳定性导数，得到动导数随马赫数和攻角非线性变化的规律。
The dynamic derivatives conception is used as the index for the vehicle stability, but it is looked as the function of angle of attack and Mach number to induced nonlinear characteristics.
通过对开关的动热稳定性分析，开关采用多断口并联结构能够满足关合状态下稳定运行的需要。
Through the dynamic and thermal stability analysis, the structure of many breaks in parallel can satisfy the stably running demand in closing state.
分析了系统的全局稳定条件和补偿后电流中直流分量的产生机理，研究了系统带不平衡负载和动、稳态补偿性能以及稳定性。
The analysis of the whole region stability condition and the mechanism of the DC off-set in the compensated current of the system is proposed.
并对离散化后的数学模型进行稳定性分析，设计了一套以军用加固机加载嵌入式系统与交流伺服装置相结合随动控制系统。
And after the discrete mathematic model for stability analysis and design a set of military reinforcement machine load of embedded system with ac servo device combined with the dynamic control system.
与传统橡胶衬套相比，非对称式橡胶衬套能够产生随动转向，提高汽车操纵稳定性。
Compared with the traditional rubber bushing, the unsymmetrical rubber bushing gives rise to a followup steering, enhances the handling stability of the vehicle.
然后着重分析轨道梁结构参数对系统稳定性的影响和由此引发的车轨耦合振动情况，揭示出轨道梁振固有动频率对系统稳定性有重要的影响。
Then focus on the structural parameters, which also resulting system instability and the VCGV, reveal that the natural frequency of guideway and the stability of the system has important implications.
该方法以降低主轴前端动柔度值为优化目标，优化后的主轴结构可以提高机床的切削稳定性。
The method aims at decreasing the dynamic flexibility of the spindle header as well as improving the stability of the cutting process resulting from the optimized structure of the machine tools.
采动引起的地表移动变形是确定路基稳定性、分析采空区影响程度的主要依据。
The main principle to determine the stability of roadbed and to analyse the influence degree is the surface deformation caused by mining.
选择鼓式制动器摩擦片时，动摩擦系数的选择既要满足制动性能，同时也要满足稳定性。
When selecting brake shoe, the dynamic friction coefficient must fulfill the request of both brake capability and stability.
根据分析所得的动、静应力分量，采用有限元与圆弧滑动法相结合的有限元一圆弧法，分析了挡土墙的抗滑稳定性。
The stability factor of retaining walls is analyzed with the finite element and slip circle method, which is based on the results obtained by static and dynamic FEM.
因此在开采设计时，应考虑地震等动载荷对采空区稳定性的影响。
Therefore, the seismic and dynamic load affected to the stability of the goaf should be considered in the mining design.
作动器速率饱和会产生附加的时间延迟，使系统稳定性大大降低， 并增加了驾驶员诱发振荡（PIO） 的趋势。
When actuators are saturated, the additional time delay would occur, which drastically reduces the stability margins of the closed loop and increasest her isk of pilot-induced oscillations (PIO) .
对于流体-结构耦合中每时间步长计算的动网格算法主要考虑网格的稳定性和计算效率。
The robustness and efficiency for coupled structure-fluid time marching computations have been emphasized in mesh deformation algorithm.
通过对浮环减薄前后实验结果的对比分析，研究了浮环厚度变化对浮环轴承涡动及稳定性的影响，并给出了三维谱图、涡动比与转速图、典型分岔图。
Based on two experiments on floating ring bearing before and after floating ring thickness reduction, the effect of thickness variation of floating ring on whirl and stability was studied.
本文提出了直流随动系统的变结构控制设计方法，分析了系统的滑态稳定性。
A design method of variable structure control for the d. C. servo system is proposed. Also the sliding state stability of the system is analyzed.
介绍了涡旋汽车空调压缩机动静盘工作时的径向密封和轴向密封的方式，分析其动密封的原理及其工作稳定性。
The means of the radial sealing and endwise sealing of fixed and moving plate in scroll compressor for automobile air conditioning during they working were introduced.
从分析各个自由度间的相互作用入手揭示旋翼动不稳定性的物理本质及影响因素。
Starting with the analysis of mutual excitation of different degrees of freedom, the physical nature and influence factors on rotor dynamic instability are revealed.
该光谱仪中无可动部件，使系统具备结构紧凑、稳定性好、实时性高等优点。
Without moving parts, this spectrometer has advantages such as compact structure, good stability and high real-time.
该光谱仪中无可动部件，使系统具备结构紧凑、稳定性好、实时性高等优点。
Without moving parts, this spectrometer has advantages such as compact structure, good stability and high real-time.
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