亚种渐变群的平行现象

measurement of parallelism parallelism parallel cline hybrid cline absolute parallelism linear parallelism psychophysical parallelism paratactic parallelism OF of of... cline parallelism of multiprocessing tolerance of parallelism depth of parallelism parallelism of optical axis theory of psychoneural parallelism parallelism of disease detection of parallelism cline frequency genetic cline