1)tensor density,张量密度2)momentum density tensor,动量密度张量3)alternating tensor density,交错张量密度4)four-dimensional momentum current density tensor,四维动量流密度张量5)moment current density tensor,电磁场动量流密度张量6)gravitational field/energy momentum tensor density,引力场/能动张量密度
用法例句
The four-dimensional momentum current density tensor of electromagnetic field is defined.