| 释义 |
data set, n.
Brit. |ˈdeɪtə sɛt|, |ˈdɑːtə sɛt|, U.S. |ˈdædə ˌsɛt|, |ˈdeɪdə ˌsɛt|
[‹ the plural of datum n. + set n.2]
1. A collection of related data, esp. when handled as a unit; (Computing) a named data file.
1958Western Polit. Q. 11 499 Since three data-sets were utilized, guide-lines..were defined in terms of the proportion of three cases in which a certain correspondence was observed. 1961H. D. Leeds & G. M. Weinberg Computer Programming Fund. iii. 75 We thus have a control count of data sets. 1982Computerworld 20 Dec. 29/2 C-Star is said to list tape volume of contents including serial number, owner, data set names and file qualities. 1988Computer Graphics World 11/1 It is quite easy to compress, exactly, any reasonable data set by 2:1. 1992Pixel Mar.–Apr. 22/1 Volume rendering..involved assigning a color and an opacity to each point in a dataset. 2003M. Kraak & F. Ormeling Cartogr. (ed. 2) v. 94/1 If one realizes that almost all countries have their own national grids and adhere to different hierarchies in their administrative units it is not that straightforward to match them into a single data set.
2. = modem n. disused.
1964Times 16 June 13/2 Next year facilities for data transmission over telephone circuits..will be supplemented by the provision of a new Data Set..for the modulation of signals. 1966Proc. AFIPS Conf. 29 398/2 After a sufficient time is allowed for completion of a ‘handshake’ between Data Sets (about 10 seconds), the Data Set is checked for ‘Carrier On’. 1976Business Week (Nexis) 9 Feb. 36 Design innovations in data sets linking computers with phone lines. 1987Computerworld (Nexis) 16 Nov. s19 Each entry in a communications set contains the location name, telephone number, active or inactive flag, local and remote data set name [etc.]. |