| 释义 |
ˈnested, ppl. a.
[f. nest v. + -ed1.]
1. That is settled in, or provided with, a nest.
1729Savage Wanderer iv. 67 The chatt'ring swallows leave their nested care. 1807Wordsw. White Doe vii. 187 They, like a nested pair, reposed. 1876E. Hopkins Rose Turquand I. xix. 277 The tender tweet! tweet! of the nested birds in the ivy.
2. Such that each item or constituent contains or is contained within another similar item in a hierarchical arrangement.
a. Of concrete objects (cf. nest v. 4 b).
1921Glasgow Herald 1 June 7 Two or three ‘nested’ dishes, the biggest one large enough to take two plates side by side. 1969‘S. Troy’ Swift to its Close vi. 81 A little man carrying three nested chairs brushed past. 1972Sci. Amer. Apr. 32/1 The magnetic field in the compressor is supplied by a nested set of copper coils.
b. Of abstract entities.
1959E. L. Lehmann Testing Statistical Hypotheses vii. 290 (heading) Nested classifications. 1963Ervin & Miller in J. A. Fishman Readings Sociol. of Lang. (1968) 80 Preliminary evidence suggests that nesting is learned early... It is difficult to assess the evidence, however, because nested constructions are usually delineated by markers which are largely lacking in the early grammatical systems. 1965N. Chomsky Aspects of Theory of Syntax i. 12 The phrases A and B form a nested construction if A falls totally within B, with some nonnull element to its left within B and some nonnull element to its right within B. 1967[see nesting vbl. n. 2]. 1968J. F. Hart et al. Computer Approximations iv. 68 Consider a polynomial given in the conventional power form Pn(x) = σni = 0 aixi . It can be written in nested form Pn(x) = [{ddd}(anx + an - 1)x+{ddd}+a1]x+a0. 1970P. M. Sherman Techn. Computer Programming iii. 43 Some flowcharts contain three or more nested loops. 1973A. M. Cohen et al. Numerical Anal. ii. 21 The computation of a polynomial function is usually done by means of ‘nested multiplication’. 1973Computers & Humanities VII. 226 Procedures for handling nested loops and subscripted variables. |