MLT−2\mathrm{MLT}^{-2}MLT−2
MLT−1\mathrm{MLT}^{-1}MLT−1
ML2 T−1\mathrm{ML}^{2} \mathrm{~T}^{-1}ML2 T−1
ML2 T−2\mathrm{ML}^{2} \mathrm{~T}^{-2}ML2 T−2