在开始使用前把氢氧化钾电介质压入蓄电池.The potassium hydroxide electrolyte is forced into the cells just before use.在电介质的其余部分,单位体积的静电荷仍为零.Within the remainder of the dielectric the net charge per unit volume remains zero.样品在辐照前后,电介质特性发生了变化...

“电介质”的英语可以翻译为：[化] dielectric ...