Sentence examples for both the upper surface from inspiring English sources

Both the upper surface and inset terraces formed 17 30 ka at a transition time from dry to relatively wet climate when increased aggradation caused alluvial fan development on the upper surface.

The circle (SNIC) and Hopf bifurcations that initiate and terminate spiking both occur on the upper surface, so the sequence of bifurcation starting with spike initiation is SNIC-HB-SN-SN, and there are nonspiking, silent periods before and after spiking on the upper surface, as well as during the entire trajectory on the lower surface.

The upper surface of both insulator sheds is covered by a water layer (dark gray).

The eye from that side migrates to the upper surface; but the situation of both labyrinths remains unchanged.

The upper surface presented a landscape" of valleys & knolls.

The upper surface of permafrost is called the permafrost table.

Depositional terraces are those in which the tread represents the upper surface of a valley fill.

Un-migrated cells from the upper surface of the membrane were removed with a cotton swab.

The upper surface is green and warty with pale gray reproductive bodies (soredia).

Illustrations show pressure exerted by the air on the upper surface (left) and lower surface (right) of the wing.

Lift results when pressure on the lower surface of the wing exceeds pressure on the upper surface.