impeope nominal distance (x y and z)between main case翻译过来什么意思?

问题描述:

impeope nominal distance (x y and z)between main case翻译过来什么意思?

impeope 打错了吧?
主机间的impeope额定距离(x,y,z)
主体间的impeope额定距离(x,y,z)
主函数间的impeope额定距离(x,y,z)
main函数间的impeope额定距离(x,y,z)
加分~thank you