When an electric field is applied to the electrodes the piezoelectric material translates this into a mechanical strain along its radial axis, causing it to vibrate.
当两个电极之间形成电场时，压电性物质便将电场转化为沿径向轴的机械压力，使纤维震动。
场是散射状的。
It is found that in lined ceramic the radial cracks is caused by compressive stress field and net cracks caused by heat stress field.
研究表明，内衬陶瓷层中主要分布着由压应力场所造成的径向裂纹和因热应力场所引起的网状裂纹；
Neoclassical transport theory for tokamaks in the presence of a radial electrical field with shear is developed using Hamiltonian formalism.
应用哈密顿动力学理论，提出了在径向电场存在情况下的新经典输运理论。
However, the influence on the radial distribution of the z-axial component of the electric field is small.
各腔长度变化对纵向场分量的径向分布影响很小。
The effects of swirl number of primary swirler and radial swirler, area ratio and sleeve divergence angle on the cold flow field of double swirl air intake were investigated.
试验研究了主、径向涡流器旋流数、面积比、套筒扩张角等参数对双旋流进气装置冷态流场的影响。
A design method of axial and radial shim coils for highly homogeneous field magnets is presented.
本文对高匀场磁体的轴向和径向校正线圈的设计方法进行了讨论。
The numeric solutions on magnetic field of plane helix was solved by MATLAB, it helps to design radial guiding magnetic in engineering.
利用MATLAB数值求解了密绕平面螺线外的磁场分布，所得结论对于工程上径向导引磁场的设计具有重要的参考价值。
The centrifugal force, radial force and tangential stress inside hydro? _cyclones were analyzed. The process of test technology for pressure field was designed.
介绍了静态水力旋流器压力场的理论分布规律，研究了旋流器内部受到离心力、径向作用力及切应力的情况。
The analyses show that azimuthal polarization compared with radial polarization has better energy focusability in the far field.
分析表明，与径向偏振光束相比，环向偏振光束在远场具有更好的能量集中度。
The phase-adjusted focusing laser accelerator requires a laser field with special polarized distribution------a radial polarization.
调相聚焦激光加速原理要求激光场具有一种特殊的偏振分布——径向偏振分布。
This paper put forward the recurrence formula for radial average values of three-dimensional line potential central field.
给出了三维线性中心势场不同幂次径向平均值的一般递推公式。
We discussed the stability of both radial movement and axis movement of charged particle in infirm focusing magnetic field and obtained the term of stability.
我们探讨了弱聚焦磁场中带电粒子轴向和径向运动的稳定性问题，得到稳定性条件。
This paper discusses the optimum design for laminated plates which can bear the internal pressure and simultaneously the one dimensional and unstable temperature field in the radial direction.
讨论了面内力和法向一维非稳定温度场同时作用下复合材料层合板的优化设计。
It has been proved by the field experiment that the method of rotary radial jet discharging gas accumulating in upper corner of coalface is really safety, dependable, economical and validly.
试验表明，旋转径向射流可安全、可靠、经济、有效的排放上隅角积聚瓦斯。
A new pseudo three-dimension (P3D) hydraulic fracturing model is built up by modifying the original single dimension fluid field with the local radial fluid field.
用局部径向流场假设对原一维流场假设进行修正，建立了新的拟三维模型。
There are mixed magnetic field system of axial and radial in hybrid stepping motors, and the magnetic field in the gap (or teeth layer)is distributed uneven along the axial direction.
混合式步进电动机内部是径向和轴向混合的磁系统，气隙或齿层的磁场沿电机轴向非均匀分布，将问题简化为二维磁场后要得到精确结果有一定的困难。
The wind field retrieval data are obtained by plied MUSCAT technique to transact the rude radial velocity data which were observed by dual-Doppler radar volume scans.
该资料是用双多普勒天气雷达同步立体扫描数据，通过MUSCAT技术，反演出风场。
POD was mainly distributed in the radial walls of the cambial cells and expanding xylem cell, especially at the corner of cell wall and cell wall close to the primary pit field.
形成层细胞阶段和伸展生长阶段，POD主要分布在径壁上，尤其是细胞壁角隅处和初生纹孔场附近的细胞壁。
The torsional deflection of spiral winding for the large power transformer is mostly caused by the common effect of the axial current component and the radial leak magnetic field.
大型电力变压器螺旋线圈的扭转变形主要是由于轴向电流分量和辐向漏磁场共同作用所产生的。
The height of quantum dot has more influence on luminescent properties than the radial of quantum dot with the built-in electric field.
量子点高度的变化对量子点发光性质的影响要比量子点半径的变化对量子点发光性质的影响更明显。
The effect of confining magnetic field on the radial profile of axial electric field is studied.
研究了约束磁场对轴向电场的径向分布的影响。
The paper analyses the evolution of Doppler velocity and the structure of the wind field during a infrequent snowstorm of earlier spring taken place in Yantai by using Doppler radial products.
利用多普勒雷达资料对烟台市一次初春暴雪天气的多普勒速度和风场结构特征进行了分析。
The utility model relates to the field of radial drilling machines, in particular to a bench drill with a lifting device.
本实用新型涉及摇臂钻床领域，具体为一种带起吊装置的台钻。
At last, we simulate the characteristic of near wall conductivity of the sheath with groove by locating the groove sheath model in the axial electric field and the radial magnetic field.
最后，在外加径向磁场和轴向电场的条件下，模拟计算了矩形沟槽鞘层的近壁传导特性。
There is low speed area near the axle, its radial s peed field is small but still exists beyond the blade radius.
其径向速度虽然在桨径范围内较小，但在桨径外仍有一定值。
The central 60% of the field (radial) display stars that are point like, beyond that aberrations gradually increase.
在视场中间的60％星点成像不错，接近为一个点。
The central 60% of the field (radial) display stars that are point like, beyond that aberrations gradually increase.
在视场中间的60％星点成像不错，接近为一个点。
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