体电荷 meaning in Chinese

bulk charge
volume charge
volume electric charge

Influence of thickness on charge storage and dynamic properties of non - polar film electrets
厚度对非极性聚合物薄膜驻极体电荷储存及电荷动态特性的影响
Affiliated with piezoelectric effect of quartz , inner nonlinear electric polarization is calculated , equivalent body bound charges and sueface bound charges under torque are approached
联系石英晶体的压电效应，计算出内部的电极化场，并利用电场等效原理求解出等效电极化体电荷与面电荷分布。