查询词典 mechanism

It starts from the explanation of the definition and the connotation of the fiscal and finance risk, then respectively analyzes the producing mechanism of them, while thinking that the mechanism has both the similarity of all and uniqueness of China. This part also analyzes the cause of the mutual conversion of the two kinds of risks based on the analysis of the ways and the manifestation of it, while thinking that the ultimate cause is the operation of the unity of the two opposites and the existence of the paragenesis relations between them.

这一部分从财政风险和金融风险的概念和内涵入手，分别分析了财政风险和金融风险的的生成机制，认为财政风险和金融风险的生成机理既具有一般性，在我国又具有特殊性；从财政风险与金融风险的相互转化的路径和表现着手，分析了这两种风险相互转化的原因，认为财政风险与金融风险紧密相连，相互转化的根本原因在于财政和金融之间是对立统一的关系，具有共生性。

A multiple-step beams model was established to analyze the static stiffness characteristics of the double parallel four-bar mechanism with right angle flexible hinges based on the symmetry of the structure. Formula for calculating the static stiffness was derived by applying singularity function. On the basis of this analysis, the factors influencing the stiffness performance of the double parallel four-bar mechanism were studied from its geometric parameters, and the theoretical model was verified by finite element method.

根据其结构的对称性建立了静刚度分析的阶梯梁模型，引入奇异函数法推导了柔性双平行四杆机构的静刚度计算公式，在此基础上，分析了柔性双平行四杆机构各尺寸参数对其静刚度的影响，并采用有限元方法对理论模型进行了验证。

In this paper, based on the flexible multibody dynamics model of the virtual axis hybrid polishing machine tool, the differential — algebra hybrid equations is calculated by the Newton- Raphson method. The variety of the moving displacement, the velocity and the acceleration for the moving platform, leg, slider on the 3- PTT parallel mechanism and the pose curve of the series mechanism are obtained.

论文主要完成了在已经建立的虚拟轴混联研抛机床多柔体动力学模型基础上，应用牛顿—拉斐逊（Newton-Raphson）数值计算方法求解微分—代数混合方程组，得到3-PTT并联机构动平台、支杆、滑鞍各部件的运动轨迹、速度和加速度变化规律，以及串联机构的姿态变化曲线。

In order to improve the kinematics accuracy of parallel machine tool and to simplify error resource model (including 42 errors), a new kind of algorithm on parallel mechanism structural errors reorganization is proposed in this paper based on the fast algorithm of parallel mechanism forward displacement analysis.

为了提高并联机床的运动精度，针对简化误差源模型（含42个误差量），基于并联机构位置正解的快速算法提出了一种结构误差识别的新算法。

The close loop equation is used for the positional posture analysis of the output piece of space 3-RPS parallel mechanism and the forward displacement of the mechanism is educed to acquire the positional posture of output piece.

应用闭合回路方程法对空间3-RPS并联机构的输出件的位姿进行分析，推导出该机构的运动学正解，获得了输出件的位姿，给出该机构位姿分析的数值仿真实例。

This paper stated the application of parallel link mechanism in modern machine tools,set up the error analysis as to parallel link mechanism in the virtucal-axis machine tool,derived the double triangular error equations of parallel link mechanicsm in its horizontal posture,analyzed the linearity and non-singularity of the error equations,thus giving the normal splution to the horizontal posture error.

该文对并联机构在现代机床上的应用作了论述，建立了虚拟轴机床并联机构的一种误差分析方法，应用坐标变换原理导出了双三角并联机构水平姿态时的误差方程组；分析了误差方程组的线性和非奇异性，给出了水平姿态时的位姿误差正解；对工作空间中心线的误差分布规律进行了仿真，绘制了其误差分布曲线。

GStore provides users with efficient, dependable storage service through dynamic route mechanism, optimal data distribution policy, adaptive replica management, and parallel file transfer mechanism.

GStore采用动态P2P路由机制、优化的数据分布策略、自适应的副本管理以及并行传输机制为用户提供高效、可靠的存储服务。

The effects of the mechanism on both the efficiency of options investment and on the substitution of the incentive mechanism are analyzed. These substitution effects involve two aspects: the complete substitution to efficiency of investment exercising and the partial substitution to information rents.

重点分析了审核机制对投资期权执行效率的影响以及对激励机制的替代作用，这种替代作用表现为在投资执行效率方面的完全替代和在信息租金方面的部分替代。

One is active listening mechanism, one is the mechanism that is informed passively.

一个是主动的监听机制，一个是被动的被告知的机制。

The forming mechanism of dihydrophenophosphazine by the interaction of Ph〓NH and PCl〓 was studied, and the possible forming mechanism of spiro phosphonium chloride in the same reaction system was also proposed.

讨论了二苯胺与三氯化磷的成环机理以及反应过程中螺磷杂环化合物的形成机制，提出5，10-二氢磷杂吖嗪-10-氧化物存在类"烯醇—酮式"互变异构现象。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。