Equation Icon  ( ) ( ) ∇ μsμ = qμ ∇ μβ − 1u ν∇ νuμ + β − 1- ∇μq μ ( T ) T p-+-ρ- μ μ τ- μ τμν- − xs + λ − nT ∇ μν − ν ∇ μλ − T ∇μu − T ∇ μu ν. (282 )