| 释义 |
DictionarySeeSir Francis GaltonGalton delta
Gal·ton del·ta (gahl'tŏn), 1. a more or less well-marked triangle, in a fingerprint, on either side where the straight ridges near the joint of the distal phalanx are succeeded by arches, loops, or whorls;
See also: Galton system of classification of fingerprints. 2. Synonym(s): triradiusGalton, Sir Francis, English explorer and anthropologist, 1822-1911. Galton delta - a more or less well-marked triangle in a fingerprint; in dermatoglyphics, the figure at the base of each finger in the palm.Synonym(s): triradiusGalton law of regression - average parents tend to produce average offspring, but children of extreme parents inherit parental peculiarities to a lesser degree than they appear in the parentsSynonym(s): law of regression of meanGalton system of classification of fingerprints - a system of classification based on the variations in the patterns of the ridges, which are grouped into arches, loops, and whorls.Galton whistle - a cylindrical whistle attached to a compressible bulb used to test hearing. |