selection

名词 n.
中文释义

英文释义

名词 n.
  1. The process or act of selecting. countable,uncountable
    — The large number of good candidates made selection difficult.
  2. Something selected. countable,uncountable
    — My final selection was a 1934 Chateau Lafite.
  3. A variety of items taken from a larger collection. countable,uncountable
    — I've brought a selection of fine cheeses to go with your wine.
  4. A musical piece. countable,uncountable
    — For my next selection, I'll play Happy Birthday in F-sharp minor.
  5. A set of data obtained from a database using a query. countable,uncountable
  6. The ability of predicates to determine the semantic content of their arguments. countable,uncountable
  7. A list of items on which user operations will take place. countable,uncountable
  8. A unary operation that denotes a subset of a relation. countable,uncountable
  9. The free selection before survey of crown land in some Australian colonies under land legislation introduced in the 1860s. countable,historical,uncountable
    — Our selection adjoined a sheep-run on the Darling Downs, and boasted […] a forest of box-trees, a stock-yard, and six acres under barley[.]
  10. The free selection before survey of crown land in some Australian colonies under land legislation introduced in the 1860s.; A plot of land, or farm, thus selected. Australia,countable,historical,uncountable
  11. The stage of a genetic algorithm in which individual genomes are chosen from a population for later breeding. countable,uncountable
  12. Ellipsis of natural selection. abbreviation,alt-of,countable,ellipsis,uncountable
    — Slow though the process of selection may be, if feeble man can do much by his powers of artificial selection, I can see no limit to the amount of change, to the beauty and infinite complexity of the coadaptations between all organic beings, one with another and with their physical conditions of life, which may be effected in the long course of time by nature’s power of selection.

词形变化

selections plural

词汇关系

近义词
choice
衍生词
adverse selection ambidirectional selection apostatic selection artificial selection asexual selection autoselection background selection balancing selection bioselection chemoselection clonal selection compatibility selection contraselection coselection cosmological natural selection counterselection c-selection deme selection demic selection deselection directional selection disruptive selection diversifying selection downselection eclection ecological selection enantioselection environmental selection eugenic selection fecundity selection forum selection agreement forum selection clause frequency-dependent selection gametic selection gene selection genetic selection genic selection group selection Helly's selection theorem hierarchical selection higher-level selection homoselection immunoselection individual selection inevitable selection interdeme selection interdemic selection intersexual selection interspecies selection intrademe selection intrademic selection intrasexual selection intraspecies selection kin selection K-selection lower-level selection misselection multilevel selection multiselection natural selection natural selectional natural selectionary negative selection non-selection nonselection organismal selection organismic selection orthoselection overselection panselection panselectionism panselectionist photoselection positive selection postselection preselection purified selection purifying selection r/K selection theory regioselection reselection r-selection runaway selection selectional selectionary selection bias selection effect selectionism selectionist selection rule selection sort self-selection sexual selection simultaneous selection species selection s-selection stabilising selection stabilizing selection strong selection subselection supernatural selection superselection supraorgamismal selection survival selection theory of natural selection underselection unit of selection unnatural selection unselection viability selection weak selection
相关词
elect election elective elite elitism elitist panselective panselectivist select selectability selectable selectance selectee selective selectively selectiveness selectivity selectly selectman selectness selector

词源

Learned borrowing from Latin sēlēctiō (“the act of choosing out, selection”), from sēligō (“choose out, select”), from sē- (“apart”) + legō (“gather, select”). Equivalent to select + -ion.
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