查询词典 parametric

The parametric design of hydropneumatic recuperator base d on the secondary development of AutoCAD using visual basic6.0 is presented aim ing at the problems in the traditional design method of recuperator, such as com plexity of design process, long design cycle and low design efficiency.

针对传统火炮液体气压式复进机的结构设计中存在的过程复杂、设计周期长\，效率低，且传统的复进机的设计方法也无法满足现代加工方法的数控化、智能化的发展趋势，通过 Visual Basic 6.0 编程对 AutoCAD 2006 进行二次开发。

In this paper,the construction of parametric rational circular arc spline is introduced briefly,the recurrence relation bet.

文章首先介绍参数有理圆弧样条的构造，并建立相邻两分段点切向量之间的递推关系式，然后再利用此关系式给出了此参数有理圆弧样条保形性的充要条件，为实际应用提供了理论依据。

Gas-liquid two-phase two parametric metering experiments were conducted by using an oval gear reeler and a sharp edged orifice mounted in series in horizontal pipe.

作者在试验中使用串联的椭园齿轮流量计和孔板，试验用工质为空气—水混合物。

Chapter 5 is focused on the studies on the equivalent conditions for maximum value convergence of sums of independent random matrix sequences, and the sufficiency condition of the strong consistency of M estimator of regression parametric in linear model for negatively associate samples, thus enriching and strengthening the results of a series of papers.

第五章得到了独立阵列和的最大值完全收敛的等价条件，从而丰富和强化了前人的一系列结果。获得了负相关样本线性模型中回归参数M估计是强相合的较弱的充分条件。

By using this method and the general inverse theory, and without system regularity condition, a complete parametric expression in the feedback gains K and L were established.

应用该方法和广义逆的基本理论，在不要求系统具有正则性的前提下，给出了反馈增益阵K和L的完全参数化形式。

A parametric study is made based on the solutions to illustrate the influence of the minimum quality factor concerning the creep and relaxation behavior of porous medium, the permeability parameter concerning the partial permeable behavior of boundary, and relative rigidity of liner and medium on the frequency response of the cavity.

并进行了算例分析，讨论了反映介质黏弹性性质的最小质量因子，反映孔洞边界半透水性质的渗透性参数及衬砌和介质的相对刚度对问题的影响。分析结果表明：以上参数对圆柱孔洞的频域响应有很大影响。

The equivalent damping and the equivalent stiffness of damper are in near-direct proportion to the damper load. Four remodelment of the damped blade system are performed for parametric studies.

为了对干摩擦阻尼器的性能参数进行研究，本文结合工程实际将凸肩阻尼叶片的参数做了相应的调整和变形，对调整参数后的系统进行了受迫振动响应的计算和分析。

Bifurcation behaviour of nonlinear systems under the resonance condition isstudied when there are parametric and external excitations at the same time.

本文提出的映射迭代法可以有效地用于强非线性系统的定性分析，且对于弱非线性系统，其一次近似的平均方程与其它方法等价。

Use numerical simulation method to simulate the multi-parametric combination resonance condition for the system, analyse the periodic value, bifurcations and chaos of the system.

并对系统多重参数组合共振情况进行数值模拟，分析了周期解、分岔和混沌问题。

Key words weak parametric excitation;stability analysis;condition to avoid resonance;methods of multiple scales;excitations of different frequencies

并借助这一正交关系推广文［3］的工作，运用多尺度法分析了一般多自由度单频弱参激振动系统的稳定性。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。