从而得到试件的电致伸缩系数。
测量了各种成分样品的介电常数随温度变化曲线以及纵向、横向电致伸缩系数Q_（11）、Q_（12）。
The dielectric constants varied with temperature and electrostrictive coefficients Q_11, Q_12 have been measured.
简述了电致伸缩器的工作原理。
The working principle of electrostriction appliance is explained briefly.
利用有限差分法求解GMA二维电磁场问题，在超磁致伸缩电—机械转换器结构研制的基础上，结合有限差分法计算原理及应用问题对GMA的电磁场进行数值计算。
The paper describes the two-dimension electric-magnet field of the GMA by the finite different method including its theory and application. Also the structure and principle of GMA is studied.
根据电磁测量基本原理，针对 磁致伸缩材料棒材的动、静态磁特性，结合英国布莱顿大学的的测量系统，研制了多参数 磁测量系统。
The magnetic measurement system of multiple parameters was investigated based on the fundamental electromagnetic principles, and combined with the measurement system of Brighton university.
根据电磁测量基本原理，针对 磁致伸缩材料棒材的动、静态磁特性，结合英国布莱顿大学的的测量系统，研制了多参数 磁测量系统。
The magnetic measurement system of multiple parameters was investigated based on the fundamental electromagnetic principles, and combined with the measurement system of Brighton university.
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