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alt 音標拼音: ['ɑlt] Alt<- 切換,中高音中高音的 ALT n 1: angular distance above the horizon (especially of a celestial object) [synonym: {elevation}, {EL}, {altitude}, {ALT}] Alt \Alt\, a. & n. [See {Alto}.] (Mus.) The higher part of the scale. See {Alto}. [1913 Webster] {To be in alt}, to be in an exalted state of mind. [1913 Webster] Altaian {keyboards}, including the {IBM PC}. On some keyboards and {operating systems}, (but not the IBM PC) the alt key sets bit 7 of the character generated. See {bucky bits}. 2. The "{clover}" or "Command" key on a {Macintosh}; use of this term usually reveals that the speaker hacked PCs before coming to the Mac (see also {feature key}). Some Mac hackers, confusingly, reserve "alt" for the Option key (and it is so labelled on some Mac II keyboards). 3. (Obsolete {PDP-10}; often "ALT") An alternate name for the {ASCII} ESC character (Escape, ASCII 27), after the keycap labelling on some older {terminals}; also "altmode" (/awlt'mohd/). This character was almost never pronounced "escape" on an {ITS} system, in {TECO} or under {TOPS-10}, always alt, as in "Type alt alt to end a TECO command" or "alt-U onto the system" (for "log onto the [ITS] system"). This usage probably arose because alt is easier to say. 4. It was founded by {John Gilmore} and {Brian Reid}. The alt hierarchy is special in that anyone can create new groups here without going though the normal voting proceduers, hence the regular appearence of new groups with names such as "alt.swedish.chef.bork.bork.bork". [{Jargon File}] (1997-04-12) alt: /awlt/ 1. n. The alt shift key on an
IBM PC or clone keyboard; see bucky bits, sense 2 (though typical PC usage does not simply set the 0200 bit). |
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