This picture was taken at a hospital in Chengdu, in December 2013. Those people were waiting for the lift. It looked that the people are changing in China and getting more and more cultivated.
ddt (rho U) + div (rho U U) – laplacian (mu U) = – grad (p)
This picture was taken at a hospital in Chengdu, in December 2013. Those people were waiting for the lift. It looked that the people are changing in China and getting more and more cultivated.