ML2 T2\mathrm{ML}^{2} \mathrm{~T}^{2}ML2 T2
ML2 T−2\mathrm{ML}^{2} \mathrm{~T}^{-2}ML2 T−2
M2LT−2\mathrm{M}^{2} \mathrm{LT}^{-2}M2LT−2
ML−2 T2\mathrm{ML}^{-2} \mathrm{~T}^{2}ML−2 T2
