查询词典 component force

Absctrct: Objective This study was designed to investigate the stress distribution in the surface of tooth and peridental tissues and the initial displacements of tooth in the maxillary under two orthodental simulating force rectangular archwire with T loop and II class elastic used clinically by the 3-D finite element method so as to clarify the biomechanism of orthodontic tooth movement and component of optimal orthodontic force system.

目的：通过有限元分析法比较两种工况下上颌各牙齿的位移趋势和牙根及牙周支持组织内的应力分布规律，为临床治疗中合理选用矫治力系统以便有效的控制牙齿移动类型提供可靠的理论依据。

The speed-sensorless vector control and the identification of motor parameters in this paper are the two novel research of vector control.Using asynchronous machine's mathematic model in three-phase static reference frame, this paper has derived it's mathematic model in two-phase static reference frameand in two-phase rotating reference frame, and got the coordinate transformance formulus based on the constant magnetic force and power force, by compared different field orientation methods, we can find that field orientation at rotor field can realize the decoupling of the stator current flux component

无速度传感器矢量控制和电机参数辨识是矢量控制的两个新的研究方向，本文利用异步电机在三相静止坐标系下的数学模型推导出两相静止坐标系、两相同步旋转坐标系下的数学模型，根据磁动势守恒和功率守恒的原则，得出各坐标变换公式；通过不同磁场定向方式的比较发现，异步电机按转子磁场定向时定子电流励磁分量和转矩分量可以比较方便地实现解耦。

The switching power amplifier is optimized based on the achievement of electromagnetic force, and the circuit structure of tristate power amplifier with soft-switching is designed. This circuit owns the advantages of reducing the dissipationpower on the power component and improving the speed of system dynamic response, enhancing the stability of the electromagnetic force in the final state, and the nice result is presented by the simulation. The small-signal model of the power amplifier is also established.

在实现支撑所需的电磁力基础上，对开关功率放大器电路进行了优化设计，采用三电平软开关的电路结构，以降低主功率器件的功耗、提高系统的动态响应速度、提高稳态电磁力的平稳性；仿真分析表明可以达到预期的效果；最后还建立了功率放大器的小信号模型，为控制系统的调节器设计提供了依据。

After analyseing the force of all the component in the cam with Direct-Moving-roller follower, the conclusion is gained that radius of base circle not only influence the ability of sending force, but also influence the roller s continuous rolling .

对滚子直动从动件盘形凸轮机构各构件进行了受力分析后，得出基圆半径的大小不仅影响传力特性，还影响滚子是否能做连续滚动的结论。

After carries on the load computation and the component section estimate, selected a pin frame to carry on the computation, the computation content including the frame beam column section size selection and the line rigidity computation; Dead load, live load, under earthquake function Liang Duan, column end moment, shearing force computation; Frame endogenic force combination; The frame beam column matches the muscle computation; The staircase matches the muscle computation and the foundation matches the muscle computation.

在进行荷载计算和构件截面估算后，选取了一榀框架进行计算，计算内容包括框架梁柱截面尺寸的选取及线刚度的计算；恒载、活载、地震作用下梁端、柱端弯矩、剪力的计算；框架内力组合；框架梁柱配筋计算；楼梯配筋计算及基础配筋计算。

The structure is under aerodynamic force, mass force and elastic force, the amplitude of which is increasing on and on.

结构在气动力、惯性力和弹性力耦合作用下，出现的幅度不断增加的振动现象。

The Shi Yuzhu of sale head platinum has an individual philosophy oneself to sale, summary rises even if air force coordinates ground force (the promotion that advertisement increases ground sale force).

售卖脑白金的史玉柱对营销自有一套个人哲学，总结起来就是空军配合陆军（广告加上地面营销部队的推广）。

United Airlines is the 18th U.S. Air Force's largest overseas Air Force wing, but not only in the presence of the United States Air Force wing.

第18航空联队是美空军驻海外规模最大的空军联队，而且也是惟一没有在美国本土驻扎的空军联队。

At present, in Zhajia Kadena airport is the main force of the U.S. Air Force 5th Air Force's 18th air wing.

目前，驻扎嘉手纳机场的部队主要是美空军第5航空队的第18航空联队。

Explosive force is one of the main expressions of speed and force and the arithmetic product of speed and force.

0引言人体所有运动几乎都是为对抗阻力而产生的，所以力量在人体运动中起着至关重要的作用。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"