In physics: positive and negative electricity.
在物理学中，阳电和阴电。
Electrons are known to be minute negative charges of electricity.
大家都知道，电子是微小的负电荷。
Electrons are known to be minute negative charges of electricity.
大家知道，电子是极微小的负电荷。
Ultracapacitors store electricity by physically separating positive and negative charges.
终极电容器通过自然分开的正负电荷存储电能。
Ultracapacitors store electricity by physically separating positive and negative charges.
终极电容器通过自然分开的正负电荷存储电能。
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