Mechanics is a science dealing with force and motion.
力学是一门有关力和运动的科学。
The acting force and motion of vibratile tumbling machine are analysed theoretically.
对振动光饰机的受力和运动进行理论分析。
Screw: In machine construction, a usually circular cylindrical member with a continuous spiral rib or thread, used either as a fastener or as a force and motion modifier.
螺纹件：机器结构中带连续螺旋肋的圆柱形件，用作紧固件或力和运动变换装置。
Find a way of force and motion coexist. Accordingly, the unification of the electromagnetic force, powerful force, gravity, and explains the turbulence and Earth's rotation principle.
发现了力和运动的共存方式。据此，统一了电磁力、强力、引力，并解释了湍流和地球自转的动力原理。
Drag is the force of air resistance pushing against a ball's motion and slowing it down, while lift is a force causing a ball to swerve off a straight path.
拉力是一种物体在空气中所受到的阻力，它能产生与球运行方向相反的作用力，减缓球的运行速度，而升力则是一种能使物体偏离直线运行轨迹的力。
Physics studies force, motion, heat, light, sound, electricity, magnetism, radiation, and atomic structure.
物理学专门研究力、运动、热、光、声、电、磁、辐射和原子结构。
The disadvantages of normal aircraft to realize flight path control can be overcome by using direct force control, and some new motion modes can be created.
采用直接力控制可弥补常规飞机在轨迹操纵方面的不足，并产生某些新的运动模式。
The TLP plane motion, stability, redistribution of tether force and dynamical factor has been viewed, during the rupture of one leg.
观察了单腿破断时张力腿平台的平面运动、稳性、张力的重新分配和动力系数。
At present work and energy in confined motion are treated with the method of work done by confined force which is analysed and calculated.
对于约束运动中的功和能，目前均采用具体分析和计算约束力所作功的方法来处理。
For fixed damping and fixed excited frequency the motion of the beam under small amplitude of force is periodic, but becomes chaotic through period doubling bifurcation with increase of the force.
对固定的参数激励频率和阻尼，当参数激励幅值较小时梁的运动是周期的，但大幅值激励会使运动通过倍周期分岔变为混沌。
The control and monitor subsystem, the force feedback technique for steering wheel, the smooth switching for motion mode, and the telecommunication subsystem are detailed in the paper.
重点介绍了指挥站测控与监控系统、方向盘力反馈技术、无缝隙切换技术，以及数据与图象无线通信系统。
Mechanics deals with such ideas as inertia, motion force and energy.
力学研究诸如惯性、运动、力和能量之类的概念。
Whatever changes are brought about, motion pictures will always remain an important American art form and a significant cultural force.
不管发生了什么变化，电影将永远是美国的一种重要的艺术形式和重要的文化力量。
The results show that the sliding force and overturning moment can be reduced by swinging motion.
结果表明，摇摆运动可有效减小防波堤的的滑移力和倾覆力矩。
The parametric resonances and internal resonances of beams with axial force and supporting motion have been investigated.
本文分析了轴向力和支承运动作用下梁的参数共振和内共振问题。
A fundamental nonlinear motion equation about motor protein subject to random force and random potential is derived. The expression of the probability flux of this system was obtained.
考虑在随机力和随机势的共同作用下，建立了马达蛋白所满足的非线性运动方程，并得到了系统的几率流密度。
This article probes into the analysis of motion and force of inner grooved sheave which is in common in packing machinery.
对包装机械中常用的内啮合槽轮机构的运动和力分析进行了探讨。
The disadvantages of normal aircraft in flight path control can be overcome by using direct force control, and some new motion modes can be realized.
采用直接力控制可弥补常规飞机在轨迹操纵方面的不足，并产生某些新的运动模式。
The platform can analog rolling and swaying motion of ships. the moment of inertia, damping and restoring force can be adjusted.
该试验台架能够模拟船舶的横摇运动和横荡运动， 试验台架的转动惯量、阻尼力矩和恢复力矩可调。
This method is to compare the general motion of a rigid body with the force systems in space and the central axis equation of the force systems in space has been derived beforehand.
这个方法就是将刚体一般运动与空间一般力系进行类比，而一般力系的中心轴方程是巳知的。
The quantitative relationship between the motion and force of cone bits has not been established up to now owing to the complexity of the work of the bits in bottom hole.
由于牙轮钻头在井底工作的复杂性，目前还没有从理论上建立牙轮钻头的定量运动与受力关系。
The pressure gradient and the additional body force due to unsteady motion have been considered in the equations.
方程中考虑了压力梯度及非匀速运动引起的附加质量力。
The relationship among acceleration, force and the motion direction is discussed.
讨论了加速度与受力、运动方向之间的关系。
In chapter two, the prosperity of the motion, force and screwed joint of the surface dynamic rotating drilling downhole drilling string has been discussed.
第二章分析探讨了地面动力旋转钻井井下钻柱的运动状态、受力及螺纹联接的特性。
As an example, a planar five bars 2-dof parallel mechanism is discussed, the working space is drawn and the motion and force manipulation singularity are analyzed.
以平面五杆2 -DOF并联机构为例进行了机构工作空间分析、运动奇异位形分析、以及力奇异位形分析。
Skeletal muscle converts chemical energy into motion and force, ranging from rapid and sudden bursts of intense activity to continuous low-intensity work, the researchers said.
骨骼肌把化学能量转化为动作和力量，从快的、爆发型的动作到慢的、持续型的低强度工作。
State of force is analysed and kinematics model is established about table and ball-screw in high-speed motion.
对滚珠丝杠和工作台结构在高速运动下受力状态进行分析建立了力学模型。
A motion law of the disintegrative units is obtained by analyzing the internal force and bending moment of the architectural units.
通过分析建筑物构件的内力和弯矩，得到了建筑物解体时构件的运动规律。
A motion law of the disintegrative units is obtained by analyzing the internal force and bending moment of the architectural units.
通过分析建筑物构件的内力和弯矩，得到了建筑物解体时构件的运动规律。
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