The standard unit normal vector ( )
A、is tangent to the control surface.
B、is normal to the surface pointing outwards.
C、is normal to the surface pointing inwards.
D、is along to the control surface.
发布时间:2025-03-03 08:14:51
A、is tangent to the control surface.
B、is normal to the surface pointing outwards.
C、is normal to the surface pointing inwards.
D、is along to the control surface.