查询词典 work force

If we say that the time of experience is the inescapable cycle to judge its life force after the art work opens to the public, we can also say that space is the field domain to judge its life force.

如果说艺术作品体验的时间是它公开后无法躲避的生命力裁判的周期，那么空间是判断它生命力的场域。

The active education system should be blamed for its abuse that confuses the students to find the right way. The force-feed way of education force the students to just accept passively, the students do not known where their interest and hobbies lie. So when the students finally pass the College Entrance Examination they do not know how to choose their major, they do not know which major could fit their interest and worth their willing hard work.

当然我们现行的教育体制存在的众多弊端也让学生在学习的道路上找不到正确的方向，填鸭式的教育模式让学生在中学的时候只是一味的被动接受，学生不知道自己的兴趣和爱好在哪里，于是当学生考上大学选择专业的时候也是一片茫然，学生不知道什么专业才是自己的兴趣所在，才是适合自己且让自己愿意为此孜孜不倦的努力的方向。

Finally, when the entire force advances an important part of the javelin throw to complete this phase of the technical movement, as far as possible the use of a longer distance of the final work force.

最后用力时整个透支标枪技术中的重要部分，要完成这一阶段的技术动作，应尽可能运用较长的最后用力的工作距离。

For the injection unit hanged on the fixed mould, the injection force can be act on the mould directly featuring obviation of the trasmit segment of injection force, shortening the injection unit length and reducing the vibration during the work.

压射系统由两活塞杆悬挂在定模上，将压力直接作用在模具上，避免压射力传递环节，缩短压射系统的长度，减少其工作时的震动。

In this topic, the dynamic analysis methods for piezoelectric vibrator are studied systematically based on the theoretical model, FEM numerical experimentation and FEM governing equation for given compound-mode vibrator, and some valuable conclusions are obtained. The main work accomplished is summarized as follows: 1.Elaborate the main modeling methods for piezoelectric vibrator and the significance and necessity to study the dynamic characteristics of piezoelectric vibrator which emphasize the urgency of this paper. 2.Take the bending deformation induced by piezoelectric ceramic as example, the energy transfer mechanism of electric energy to mechanical energy are analyzed; the motion and force transfer mechanism are analyzed for the longitudinal-bending vibrator. 3.Based on mode assumption and Hamilton principle, the coupling model of piezoelectric vibrator of linear USM is built; moreover, the equivalent circuit model is obtained and a coupling equation represents the relation between electric parameters and mechanical parameters is derived which provides foundation to match the vibrator and driving circuit. 4.Combine the constitutive equation of piezoelectric ceramic with elastic-dynamical equation, geometric equation in force field and the Maxwell equation in electric field and the corresponding boundary condition equation, the FEM control equation for piezoelectric vibrator of USM to solve dynamic electro-mechanical coupling field is established by employing the principle of virtual displacement. The equation lays the foundation to study the non-linear constitutive equation of piezoelectric ceramic driven by high-power. 5.Define the dynamic indexes of characteristic of vibrator and carry out variable parameters simulation by calculating the model parameters and the electric characteristics of vibrator are simulated according to the equivalent circuit model. By numerical experimentation, the working mode of vibration of vibrator and the shock excitation results of the working frequency band which provides the mode frequency to realize bimodal are analyzed. Detailed calculation of the electro-mechanical coupling field parameters is made by programming the FEM control equation.

本课题从理论模型、有限元数值试验、有限元控制模型等方面以复合振动模式振子为例对超声电机压电振子的动力学特性及其分析方法进行了全面系统地研究，得出了许多有价值的结论，主要概括如下： 1、阐述了目前针对超声电机压电振子的主要建模方法，对压电振子动态特性的研究意义和必要性进行了论述，突出了本文研究内容的迫切性； 2、以压电陶瓷诱发弹性体发生弯曲变形为例，分析了压电陶瓷通过诱发应变来实现机电能量转换的机理；对基于纵弯模式的压电振子的运动及动力传递机理进行了分析； 3、基于模态假定，利用分析动力学的Hamilton原理，建立了面向直线超声电机压电振子的机电耦合动力学模型，并据此建立了压电振子的等效电路模型，导出了电参量与动力学特性参量的耦合方程，为压电振子与驱动电路的匹配提供了依据； 4、从压电陶瓷的本构方程出发，综合力场的弹性动力学方程、几何方程、电场的麦克斯韦方程以及相应的边界条件方程，采用虚位移原理，建立了压电振子动态问题机电耦合场求解的有限元控制方程，为研究其大功率驱动下的非线性本构模型奠定了基础； 5、界定压电振子的动力学特性指标，对压电振子的机电耦合动力学模型参数进行计算及变参数仿真；依据等效电路模型，对压电振子的电学特性进行了仿真分析；通过有限元数值实验，对压电振子工作模态附近的模态振型及工作频率附近的频段进行了激振效果分析，找出了实现模态简并的激振频率；利用有限元控制方程，通过编程计算，对压电振子的力电耦合场参数进行了详细计算，得出了一些有价值的结论。

objective:to study and analyze the features of lower limb fatigue fracture in the special force by means of radiodiag-nosis.methods:anterior-posterior and lateral films and clinical follow-ups were made to all the affected limbs in the56cases of lower limb fatigue fracture from june2003to feb.2006.results:through medical history and radiodiagnosis all the cases were giv-en definite diagnosis,achieved good treatment results and all had clinical follow-ups.the average length of clinical follow-ups was3months.following treatment,all patients returned to work and resumed training.conclusion:lower limb fatigue fracture finds a rather high incidence in the special force.special features could be seen in the x-ray film,which has obvious clinical significance in the differential diagnosis of other diseases.

摘要］ 目的：分析特种部队下肢疲劳骨折的x线特征性表现和鉴别诊断。方法：从2003年6月～2006年2月，对56例来院就诊治疗的下肢疲劳骨折的患者全部进行患肢x线正侧位片检查和随访。结果：本组病例依据病史和x线分析，均明确诊断，经治疗后效果好，全部获得随访，平均随访时间3个月；骨愈合时间1～2个月，全部恢复工作和训练。结论：下肢疲劳骨折在特种部队发病率高，x线片中具有特征性表现，与其他疾病的鉴别具有重要的临床意义。

The Big Dipper colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill.

七星胶体磨工作原理其分动、静磨盘齿形斜面的相对运动而成，其中一个高速旋转，另一个静止使物料通过齿形斜面之间的物料受到极大的剪切力和摩擦力，同时又在高频震动和高速旋涡等复杂力的作用下使物料为流体超微粒粉碎、乳化、分散、均质、搅拌等多种功能，可代替并优于石磨，砂磨机、球磨机、乳匀机、剪切乳化机、三辊机、组织捣碎机等工作效率。

Seven Stars colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill.

七星胶体磨可干燥两式运转先进机械，其工作原理充分动静磨盘齿形斜面的相对运动而成，其中一个高速旋转，另一个静止使物料通过齿形斜面之间的物料受到极大的剪切力和摩擦力，同时又在高频震动和高速旋涡等复杂力的作用下使物料为流体超微粒粉碎、乳化、分散、均质、搅拌、混合等多种功能，可代替并优于石磨，砂磨机、球磨机、乳匀机、剪切乳化机、三辊机、组织捣碎机等工作效率。

Hao Stars colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill.

昊星胶体磨可干燥两式运转先进机械，其工作原理充分动静磨盘齿形斜面的相对运动而成，其中一个高速旋转，另一个静止使物料通过齿形斜面之间的物料受到极大的剪切力和摩擦力，同时又在高频震动和高速旋涡等复杂力的作用下使物料为流体超微粒粉碎、乳化、分散、均质、搅拌、混合等多种功能，可代替并优于石磨，砂磨机、球磨机、乳匀机、剪切乳化机、三辊机、组织捣碎机等工作效率。

A dynamic force is at work in the repetitious activity of swimming. And a static force is employed by a gymnast who maintains the iron cross on the rings or by a weight lifter who maintains weights above his head.

比如棒球投手需要爆发力，游泳时需要动态力量，而举重运动员则需要静态力量将杠铃举过头顶并保持一定时间。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

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