The formula of capacitance energy is not proper to capacitors which have free charges among their plates.

指出电容能量公式对于极板间存在自由电荷的电容并不适用。

youdao

We independently developed the quartz crystal oscillator adjustable cut legs free, capacitance cut legs forming machine, automatic operating lines and zebra paper beer press.

目前我们自主研制的石英晶体无振可调切脚机，电容切脚成型机、自动作业流水线及斑马纸啤压机。

youdao