确保电机是牢固固定一些，并认为螺旋桨可以自由摆动。
Make sure the motor is firmly fastened to something and that the propeller can swing freely.
飞机顺利，应该会出现在角落里自由摆动并保留必要的最低限度；
The airplane should appear smooth and wobble free in corners and retain necessary minimum;
且当行车快速水平移动时与吊具保持刚性约束，避免 吊具发生自由摆动。
The traveling crane maintains rigidity restriction with the lifting appliance in rapid horizontal shift, thus avoiding free swing of the lifting appliance.
这就是著名的靠，摩擦力平衡的例子，现在我想讨论一个，可以在重力作用下，自由摆动的悬挂物体。
So you saw in a striking example of where friction helped us to balance, and now I want to discuss an object that is hanging and that can freely swing due to gravity.
本文根据作者多年建井测量的实践经验，采用自由摆动观测方法，简单快捷、高精度地完成立井联系测量中的坐标传递工作。
In this paper, the author completed the connection survey of a vertical shaft simply and precisely by the observation method of free oscillation.
然而，钢架的柱子是可以随着摇晃自由上下摆动，有钢管托牢牢固定在基座上。
The frame’s columns however are free to rock up and down within steel shoes secured at the base.
然而，钢架的柱子是可以随着摇晃自由上下摆动，有钢管托牢牢固定在基座上。
The frame's columns, however, are free to rock up and down within steel shoes secured at the base.
那自由自在的摆动，那不需忌讳的言语，还有那自由奔放的精力
将铰接式车辆简化成六自由度的动力学系统，建立了能反映率体平面运动和横向摆动的动态数学模型。
In this paper, the articulated vehicle is simplified to a six-free-degree system in dynamics, and a dynamic mathematical model was derived and established.
这种摆动性质影响着自由电子激光的特性。
This property have an effect on performance of the free electron laser.
本文研究的自由电子激光器具有线性摆动器及轴向引导磁场。
The free electron laser with a linearly polarized wiggler and axial guide field hag been studied.
由于内核的存在，将出现两个新的与地球自转有关的章动模式，即顺向的自由核章动(PFCN)和内核摆动(ICW)模式。
Because of the inner core of the earth, there will have two nutation modes related to the earth's rotation, i. e. a prograde free core nutation (PFCN) mode and a inner core wobble (ICW) mode.
本文提出一种变自由度单向传动装置-摆动滚柱式超越离合器。
The kind of changing freedom one-way drive device-swing cylinder type overpass clutch is proposed in this paper.
通过提高或tossing一套手，摆动头部，自由的使用不同的面具显示不同的情感表达和情感通过无形，无形和有形可见的面具。
By raising the hand, swinging a sleeve or tossing the head, an actor USES different masks to show different emotions, expressing invisible and intangible feelings through visible and tangible masks.
本文计算了在平衡自场、线性摆动器场和轴向磁场作用下的电子轨道，并由此求得有线性摆动器的自由电子激光器的自发辐射和受激辐射。
The orbits of an electron in self-fields, linear wiggler and axial fields are calculated. Then the spontaneous emission coefficient and the growth rate of the stimulated scattering are obtained.
其中，摆动参数可以任意调节，通过人机界面可以自由设定摆幅，摆频，左右停滞时间等焊接工艺参数。
The swing parameters can randomly adjust and the swing amplitude, the swing frequency, the swing center and the staying time could be set by human-computer interface.
两只鸟儿飞出画面，停在树上，自由自在，枫叶随风摆动，秋意浓浓。
Two birds fly out of the screen, stopping in the trees, free and maple Leaf swing with wind.
最后以一种单自由度两环球面机构为例，导出了其摆动力完全平衡条件。
Finally, take a kind of two-looped spherical mechanism with a single degree of freedom as an example the condition of complete balance of its swinging force was derived.
本文对二维摆动磁场自由电子激光的自发辐射频谱进行了理论分析，并对分析结果进行了数值计算。
The angular spectrum of spontaneous emission in a wo-dimensional undulator free-electron laser is analyzed theoretically.
分析了在空间周期磁场的摆动器上，再迭加轴向均匀磁场后对自由电子激光器增益特性的影响，并进行了数值计算。
Effects of a uniform magnetic field superposing a space-period magnetic field on the gain of the free-electron laser were analysed and calculations were carried out.
分析了在空间周期磁场的摆动器上，再迭加轴向均匀磁场后对自由电子激光器增益特性的影响，并进行了数值计算。
Effects of a uniform magnetic field superposing a space-period magnetic field on the gain of the free-electron laser were analysed and calculations were carried out.
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