Fractional nonlinear convection-diffusion equation with external forces is given.
建立了含有外力的分数阶非线性对流-扩散方程。
So I mentioned to you that the motion of the center of mass is very uniform in the absence of external forces, and that I can demonstrate for you again with the air track.
我向你们提到过,重心的运动是稳定的,若不受外力，我可以再次演示,在空气轨上。
External Ballistics deals with projectile flight. The trajectory, or path, of a projectile is subject to the forces of gravity (see gravitation), drag, and lift.
外弹道学是研究射弹的飞行，弹道是射弹在重力、拖曳力和升力作用下的飞行路线。
The sum of spring forces is corresponded with external force, and the sum of displacement of each node equal to the total deformation.
系统中各个质点的相对位移的叠加对外等效为物体表面变形，与之相连的弹簧弹性力的合力等于物体表面的接触力。
The inertial force and supporting reaction force created by the vibration of rotors with axle are regarded as external forces on the axle in this paper.
本文把随轴一起振动的转子惯性力及支承反力，看成是作用在轴上的外力。
With elastic material parts in pressures deformation, remove the external forces and reinstatement.
用弹性材料制成的零件在外力作用下发生形变，除去外力后又恢复原状。
This paper deals with the calculation or deflections and internal forces of shallow spherical shells under external uniform pressure by means of finite element method.
本文用有限元法对地下球扁壳的挠变与内力进行了分析与计算。
SMA wires with different diameters can be trained conveniently by the present system. The performance of SMA wires in different electric currents and external forces can also be measured.
该训练测试系统能够方便地实现不同型号形状记忆合金丝的自动训练过程，并能测试形状记忆合金丝在不同通电条件和外力条件下的性能。
SMA wires with different diameters can be trained conveniently by the present system. The performance of SMA wires in different electric currents and external forces can also be measured.
该训练测试系统能够方便地实现不同型号形状记忆合金丝的自动训练过程，并能测试形状记忆合金丝在不同通电条件和外力条件下的性能。
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