| 释义 |
ˈsubpopulation
1. [sub- 3.] A population living underground.
1890Daily News 19 June 5/7 A sort of sub-population of elfin people, who live under the Treppe.
2. a. [sub- 7 a] A population forming part of a larger population. b. [sub- 9.] One derived or originating from some other population.
1959Heredity XIII. 217 This gene flow..prevented the divergence of the two sub-populations. 1961Lancet 9 Sept. 586/2 Serious outbreaks have occurred mainly because substantial poorly vaccinated subpopulation groups have remained—for example, lower socioeconomic groups in the U.S.A. 1964S. Lieberson in J. A. Fishman Readings Sociol. of Lang. (1968) 553 Such subpopulations as social classes, juvenile delinquents, racial, ethnic, and tribal populations, age groups, regions, and occupational groups. 1971J. Z. Young Introd. Study Man xxvii. 385 Like all populations, ours is composed of many sub⁓populations, differing from each other not only outwardly but in their gene structure. 1974J. W. Drake in Carlile & Skehel Evolution in Microbial World 53 Microbial subpopulations frequently become extinct. 1979Sci. Amer. Mar. 53/1 Could it be that they represent a sub⁓population of tumor cells endowed with the particular characteristics making for successful metastasis? |