Two inclination angles are required to specify a general orientation: slant is measured in meridional planes , and tilt is measured in transverse planes .
(Two inclination angles; to specify; a general orientation) (tilt; is measured; in transverse planes) (slant; is measured; in meridional planes) Context(slant is measured,List([70, 87))):(Two inclination angles; are required; to specify a general orientation)
slant is measured,List([70, 87))
Two inclination angles tilt slant Two inclination angles
to specify is measured is measured are required
a general orientation
in transverse planes
in meridional planes
to specify a general orientation