boundary surface
8.THE COMPLEX CONTOUR RIEMANN BOUNDARY PROBLEMES ON THE ENCLOSED RIEMANN SURFACE
9.NEW METHOD TO DETERMINE BOUNDARY DATA STRUCTURE OF SHAPE WITH CLOSED CURVED-SURFACE DOMAIN
10.On the basis of Prantel boundary layer idea, wind sand fluid of irreducible rare phase as research object, by the foundation of general equation of wind sand fluid, in the condition of basic hypothesis, the boundary layer equation of car roof surface is set up and the boundary condition the fluid slippage character in solid wall surface is given.

