Iskani niz je bil najden v PREVODIH:
Grundebene
en basal plane, basic plane, datum level, datum plane, flat area, land, mirror surface, plane of co-ordinates, plane of reference, reference plane, reflective surface, space
Haupt-Bezugsebene des Weltraumkörpers
en principal reference plane for the body in space
Leitebene
en MES level, bisignal zone, control level, coordinating level, equisignal zone, guidance plane, management level, plane-of-flight reference