查询词典 displacement

By means of variable substitution, it is found that the differential equation of motion is a Bessel equation. Based on the equation, responses of elastic displacement, velocity, acceleration of skip and cable tension close to sheave were deduced.

通过变量代换，发现箕斗运动微分方程是可求解的Bessel方程，从而得到了装载过程中箕斗的弹性位移、速度、加速度和天轮处钢丝绳的张力的解析表达式。

The relation of displacement of tympanic membrane to sound pressure was educed by using the Bessel function; subsequently the analytic solution was obtained.

并利用贝赛尔函数建立耳膜位移与声压的关系，得到耳膜位移的解析解。

During the processes of invasion and displacement,the B biotype has caused considerable damage to a range of crops.

近20年来，B型烟粉虱Bemisia tabaci广泛入侵世界各地，并在一些入侵地取代了危害不严重的土著烟粉虱，对生产造成了巨大的危害，而且入侵区域还在不断扩大。

The analysis of stresseld and displacement field for the boiler tube plate is one of importnt Problems in the design of boiler structure.

锅炉管板上应力场、位移场的分析仍是锅炉结构设计工作者的重要课题之一。

The electron displacement polarizabilities in the hexagonal boron nitride crystal are evaluated by the new model. The results are compared with those from the classical models to point out the applied scope of the new model.

根据该模型计算了六方氮化硼晶体的电子位移极化率，并与经典模型的计算结果进行了比较，进一步分析了所提出模型的适用范围。

It is to consider not only the cost of connection between cross points and pins and the exclusive cost among cross points on the boundary of a global routing cell,but also the cost of displacement among cross points of the same net.

该算法不仅考虑了过点和物理连接端的连接费用、总体布线单元边界上不同过点之间的互斥费用，而且考虑了同一线网不同过点之间的错位费用。

From the view of fracture mechanics, the problem involving a center crack in a rectangular piezoelectric body under anti-plane mechanical shear displacement and in-plane electrical field is analyzed by the boundary collocation method in this paper.

从断裂力学的观点出发，采用边界配置法研究了含中心裂纹的矩形截面的压电材料在平面内电场和反平面变形作用下的应力场和电场的解，详细介绍了该方法的程序设计过程。

The boundary contour formulations of evaluatingstresses from the Somigliana stress identity are derived for 2-D problemswith quadratic boundary elements.The boundary contour method basedon the traction boundary integral equation is further discussed.Elasticproblems are first solved using the traction boundary contour method.Amixed collocation of the displacement boundary contour formulation andtraction boundary contour formulation is given.(4)The dual boundarycontour method is developed for the analysis of crack problems.

3建出了Somigliana应力积分式的二维和三维问题的边界轮廓法理论；给立了二维问题由Somigliana应力积分式计算应力的二次形函数的边界轮廓法方程，进而给出了基于面力边界积分方程的边界轮廓法；提出了一种以位移边界轮廓法方程与面力边界轮廓法方程混合配置的方案，首次实现了用两种积分方程相结合来求解弹性力学问题。

The boundary integral method is applied to the analysis of opening displacement and stress intensity factor of surface crack.

用边界积分方法，分析表面裂纹的张开位移和应力强度因子。

This paper presents a method of the displacement measurement using the technology of fiber Bragg gratings.

介绍了一种基于布喇格光纤光栅技术的位移测量方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。