progressive method of line construction＝ progressive method

distance between centres of lines；distance between centers of tracks；midway between tracks

distance offset distance

3D mesh progressive transmission

3-D progressive failure

3-D visco-plastic progressive FEM

A Method Progressive Colcking Frequency

acute progressive cerebral infarction

Adaptive and progressive detection

Bi-directional progressive structural optimization

Bottom diameter progressive increment

CAD for progressive dies

Cases induced by progressive teeth extraction as paradentosis

central progressive retinal atrophy

chronic progressive external ophthalmoplegia

chronic progressive inflammatory polyneuropathy

Chronic progressive phase

chronic progressive renal disease

circular-progressive-stress

Cold-forging progressive die process