area of 4 m height from the rail surface
depressor area of the ventral surface of medulla oblongata
sea surface temperature over the Kuroshio area
the earth’s surface area
The expanded surface area
the Specific Surface Area
wetted surface area [= area of wetted surface]
A certain depth beneath the surface of the ground
application on the surface
applicotion on the surface of grain bulk
black stains in the surface
both ends of the surface
characteristic of the surface
Chiral grafting on the surface
cobalt coated on the surface
colouring on the surface
Continuous reaction on the surface of solid