保持陀螺质量中心位移为最小的重要性是非常明显的。
The importance of keeping gyro center-of-mass shifts to a minimum is apparent.
要在施工中做到技术先进、经济合理、安全适用、确保质量，就必须避免桩的侧向位移。
To insure advanced technology, reasonable cost, safety and quality, we have to avoid the side displacement of piles.
达朗贝尔力的方向必须与所设的质量的位移方向相反。
Thed'Alembert forces must be oriented opposite the assumed directions of mass displacements.
介绍了一种由高精度光纤位移传感器、弹性元件和微机组成的分辩率为毫克级的在线微小质量动态测量系统。
A dynamic measurement device of micro mass on-line utilizing microcomputer, flexible component and fibre-optic displacement sensor with high precision is presented.
基于质量守恒原理来计算高植被下垫面的动力学粗糙度、零平面位移是目前较为精确和实用的方法。
The method based on the mass conservation principle is a practical one to calculate the aerodynamic roughness lengthandzero plane displacement over tall vegetations.
由质量守恒定律，质量密度增量来自未挠动的质量密度的散度和位移矢量场。
According to the law of mass conservation the incremental mass density can be inferred from the divergency of the scalar unperturbed mass density and the vectorial displacement field.
讨论了系统支承角、系统频率比以及系统质量比等对易损件加速度及位移响应的影响规律。
The effects of the angle of the tilted support, the frequency ratio and mass ratio of the system on the response of acceleration and displacement were discussed.
对于电阻焊过程，影响焊接质量的各种随机因素，均直接或间接地蕴涵在焊接电流、电压、电极位移等信号的动态变化之中。
All sorts of random influence factor for welding quality is contained in the change of current, voltage, electrode displacement, etc. signals.
铝合金拼焊板技术还存在许多问题，如成形极限、起皱、回弹、焊缝位移、焊接质量等有待研究；
Other factors include: welding metallurgy quality, direction of the main strain, ratio of thickness, ratio of intension, location of welding line, displacement of welding line, etc.
它的优点是能对温度所产生的标点变形进行修正，从而提高垂直位移观测精度，控制钻孔质量才能保证双金属标安装的准确性。
System advantage is that it can amend mark point distortion, thus, accurate observation of vertical displacement can be got. Bimetal mark install veracity depends on quality of digging hole.
保持陀螺质量中心位移为最小的重要性是非常明显的。
The importance of keeping gyro center - of - mass shifts to a minimum is apparent.
第二步是以车轮的质量为目标函数，以车轮的应力、径向及横向位移为约束函数，以车轮辐板形状为设计变量进行设计。
The second step is taking the mass of wheel as target function. The stress, radial and cross displacement of wheel as restrain function, the spoke profile of wheel as design variable.
首先对弹性五杆机构进行有限元分析，通过机构梁单元节点位移间的关系，建立起弹性五杆机构单元质量矩阵与刚度矩阵以及弹性动力学模型。
Firstly, the links of the plane five-bar linkage mechanism is simulated by beam element, the mass matrix, stiffness matrix of linkage mechanism and elastic dynamic model of system are established.
锯条的侧向位移在很大程度上决定了加工表面的质量，侧向位移过大工件表面质量得不到保证。
The quality of the workpiece surface is subject to the side displacement of the saw blade to some large extent.
在高层建筑及地质敏感地区建筑物施工过程中，对施工建筑物及其周边地区建筑物进行垂直位移监测即沉降观测工作，是对建筑物施工质量控制的一个重要手段。
In the construction of high-rise buildings and geological sensitive areas, it's important to make settlement observation for buildings and nearby ones so as to control the quality of construction.
当转速一定时，叶轮与轴套接触点的法向相对位移与叶轮的质量分布存在着明显的联系。
It is found there is obvious relationship between the mass distribution of impeller and normal relative displacement of contact points of impeller and shaft sleeve within the certain rotational speed.
研究结果表明：高层建筑结构抗震设计中高振型的影响不容忽视，在底部剪力和顶端位移误差小于5%的情况下，累计质量参与系数应大于90%；
The decision principle of mode number is: when the error of base shear and top displacement are both below 5%, the sum of modal participating mass ratio should exceed 90%;
检测传感器，用于检测质量体的位移并触发相应动作，例如控制或报警动作。
The detection sensor is used to detect the displacement of the mass body and to activate corresponding movements, such as control or alarm movements.
介绍了一种以电极位移为监测量的新型轿车车身点焊质量实时监测系统。
This paper introduces a new auto-body spot weld quality monitoring system using electrode displacement.
点焊电压信号、电极位移信号和电极压力信号包含明显的喷溅特征信息。进而利用统计分析可以实现点焊质量判定与分类。
RSW voltage signal, electrode displacement signal and electrode pressure signal contain explicit expulsion characteristic information. At same time, RSW quality judgment and...
分析了微张力减径机轧辊位移的产生原因以及对钢管外表面质量的影响。
The paper analyzed the causes of roll displacement on mini-stretch reducing mill and the influences of displacement on external-surface quality of steel pipe.
建立星型齿轮传动静力学系统基本浮动构件浮动位移分析的弹簧-质量模型；
A floating displacement static analysis model of basic floating part of 2-stage star gear train was presented.
地球质心(简称地心)是指包括海洋大气等的整个地球的质量中心，地心运动是地球质量中心相对于地球参考框架原点的位移。
Geocenter motion is the relative displacement from the center of mass of Earth to the origin of the Terrestrial Reference Frame.
从分子运动角度分析，糊料流动是高聚物大分子链段协同“跳跃”而实现整个分子质量中心位移，对传质具有直接影响。
Analysing in the view of molecular kinetic theory, paste flowability is a shift of molecular mass center by the jump of polymer chain segment, and it affects the mass-transfer directly.
计算表明，等电荷位移假设得到的结果一般和裂变碎片高斯质量分布曲线拟合得最好。
The results seem to indicate that the hypothesis of equal charge displacement gives the best fit to the Gaussian distribution for the masses of the fission fragments.
采用虚功原理，通过对单元转角-位移方程的修正，推导了这种计算模型的单元质量矩阵和刚度矩阵。
Revising the rotation displacement equation, the mass matrix and stiffness matrix of this kind of structure were derived by virtual principle.
采用虚功原理，通过对单元转角-位移方程的修正，推导了这种计算模型的单元质量矩阵和刚度矩阵。
By revising the rotation displacement equation, a mass matrix of this kind of structure is derived by virtual principle in this paper.
详细分析了由动载体振动引起的角位移和线位移对成像系统的影响。角位移是影响成像质量的主要因素。
The effect of vehicle vibration, including Angle displacement and linear displacement on the imaging quality of the imaging system is analyzed.
详细分析了由动载体振动引起的角位移和线位移对成像系统的影响。角位移是影响成像质量的主要因素。
The effect of vehicle vibration, including Angle displacement and linear displacement on the imaging quality of the imaging system is analyzed.
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