| 释义 |
▪ I. unˈsigned, ppl. a.
(un-1 8.)
1598Chapman Hero & Leander iii. 148 She..Tolde him how poore was substance without rites, Like bils vnsignd. 1694Lond. Gaz. No. 3017/4 All such Adventurers that took out any Tickets..(either signed or unsigned). 1740Col. Rec. Pennsylv. IV. 417 Bills..unsign'd by either [the Governor or the Secretary]. 1753Scots Mag. Jan. 47/2 Three unsigned letters were..put into the post-office. 1812Combe Syntax, Picturesque xxv, On the wing there upwards sprung A flight of Dockets, who were join'd By dire Certificates unsign'd. 1885‘Mrs. Alexander’ At Bay viii, These lines were unsigned, and might be meant for any one, as there was no address.
▸ (a) U.S. Sport (of a player) that does not (yet) have a contract to play for a professional team; (b) (of a musician, band, etc.) that does not have a recording contract.
1893Los Angeles Times 12 Mar. 17/2 On account of the two associations last year the unsigned player could use one against the other in the matter of salary, and go with whichever offered the biggest pay. 1977Los Angeles Times 4 Jan. f4/1 The fastest moving of the unsigned bands appears to be Van Halen, a heavy metal quartet from Pasadena. 1997Select June 80/2 The craving for simple, neo-classical rock'n'roll pleasures—from back when Weller was unsigned, Ocean Colour Scene were still baggy and Noel was out roadying in Estonia for the Carpets. 2001R. F. Burk Much More than Game i. 29 The reserve clause, which enabled clubs to renew perpetually their claims on unsigned players, became a formal part of the standard contract.
▪ II. unˈsigned, a. Math.
[un-1 9.]
Of a number: without a plus or minus sign, or a bit representing this.
1953Electronic Engin. Jan. 6/1 One advantage possessed by the complement notation for signed numbers is that the processes of addition and subtraction can be carried out by exactly the same methods on signed and unsigned numbers. 1970O. Dopping Computers & Data Processing xvii. 273 The ‘compare’ instruction can hardly be used for numerical information except when it is certain that all the keys are unsigned, that all keys have a plus sign, or that all keys have a minus sign. 1979Sci. Amer. June 18/2 The problem asks whether for different values of n it is possible to pair each number in one subset with a number in the other so that the 2n sums and absolute, or unsigned, differences of the numbers in each pair are all distinct. |