aberration secular

disperion secular equation

Effect of Non-secular Terms

Geomagnetic secular variation

GEOMAGNETIC SECULAR VARIATIONS

magnetic secular change

Paleomagnetic secular variation

resuming his secular life

second secular algebraic equation

secular aberration

secular acceleration

Secular architecture

SECULAR ART

SECULAR CHANGE

secular changes

secular compaction

secular crustal deformation

Secular culture

secular determinant