Undulation is one of the fundamental models of the geological effect, the undulation motion and variation in shape of earth crust is an geologic facts.
波动是地质作用的基本形式之一，地壳的波状运动和变形是客观存在的。
We cant do anything without harmony from cosmic space motion to individual living existence and variation.
大到宇宙空间的运动，小到个体生物的存在与变化，都离不开和谐。
The butterflies also appear and vanish by a steam variation synchronized with the butterflies' motion.
蒸气变化和蝴蝶的动作同步配合，使蝴蝶出现或消失。
The model of crustal movement and deformation, which is depicted fully by comprehending the relative motion and strain variation, is discussed.
讨论了将相对运动和应变变化综合起来以更充分地描述地壳运动和变形的模型。
With variation of parameters and motion rod, its motion is volatile.
况且随着杆件及运动参数的变化，其运动形式千变万化。
The orbit variation in one day under the nonspherical perturbation is shown and the motion of the orbit plane is computed.
计算给出了一日内的卫星轨道，反映了在地球非球形摄动下轨道的变化情况，且对轨道面的进动进行了计算。
Translational motion, angular variation, and disc height were measured at each segment from C2-C3 through C7-T1.
测量自c 2 -C3节段到C7 - T1节段的每个节段的水平移位，角度变化和椎间盘高度。
There are two main research fields in the rotation dynamics of the planet Earth: rotation variation and the fluid motion effected by rotation.
行星地球自转动力学主要有两方面研究内容：自转变化和在自转条件下内部流体物质运动。
The effect of rolling motion on the flowing velocity of Newtonian fluids and Non-Newtonian fluids is analyzed. The variation of peak velocity and velocity gradient in the wall is also investigated.
分析了摇摆运动对非牛顿流体和牛顿流体流动速度的影响和速度峰值与管壁处的速度梯度的变化规律。
But, the variation of Young's modulus would not change the characteristics of motion of burden in blast furnace that is composed of the steady motion and the transient motion of burden.
但弹性模量的变化并没有改变高炉内炉料的运动特征，其运动仍然是由稳态下降运动与瞬态运动组成。
In this paper, the motion of the shell in the bore and the variation of physical and kinematical parameters in the explosive are investigated.
分析了炮弹在炮膛内的运动规律，爆炸产物中物理参数与运动参数的主要变化过程。
The rotor motion in an active electrostatic bearing is obtained by detecting the variation of the spherical capacitance between electrodes and the rotor.
有源静电悬浮轴承通过检测电极与转子间构成的球面间隙电容以得到转子位移。
In this paper, The stability of a ship with linear time variation and non-time variation motion system was discussed.
本文讨论了船舶线性非时变系统及线性时变系统运动的稳定。
The example of stability of a ship motion and criterion is given for linear non-time variation.
对线性非时变系统，本文给出了船舶运动稳定性的实例，及其数学物理上对这类问题稳定性的判别法。
Through the various components of the stress and strain field distribution, as well as the typical node displacement curve analysis, to study the variation of the motion state of rolling bearings.
本文对滚动体和内外圈的应力、应变场的分布情况以及对滚动体上典型节点处的位移曲线进行了分析，并获得了滚动轴承在运转过程中比较直观、定量的分析数据。
As to the horizon motion system of Bridge Crane is a nonlinear, variation parameter and strong coupling system, the nonlinear PID controller is used for positioning and anti-swing.
针对桥式吊车水平运动系统是一个非线性、变参数、强耦合的对象，采用非线性PID控制器进行定位和防摆控制。仿真实验结果表明，系统具有良好的动态、静态特性和强的鲁棒性。
As to the horizon motion system of Bridge Crane is a nonlinear, variation parameter and strong coupling system, the nonlinear PID controller is used for positioning and anti-swing.
针对桥式吊车水平运动系统是一个非线性、变参数、强耦合的对象，采用非线性PID控制器进行定位和防摆控制。仿真实验结果表明，系统具有良好的动态、静态特性和强的鲁棒性。
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