ABC
基本知识,英语字母表;火车时刻表
基本知识,英语字母表;火车时刻表
ABC n 1 :
the elementary stages of any subject (
usually plural ); "
he mastered only the rudiments of geometry " [
synonym : {
rudiment },
{
first rudiment }, {
first principle }, {
alphabet }, {
ABC },
{
ABC '
s }, {
ABCs }]
1 .
{Atanasoff -Berry Computer }.
2 . An {imperative language } and programming
environment from {CWI }, Netherlands . It is interactive ,
structured , high -level , and easy to learn and use . It is a
general -purpose language which you might use instead of
{BASIC }, {Pascal } or {AWK }. It is not a systems -programming
language but is good for teaching or prototyping .
ABC has only five data types that can easily be combined ;
{strong typing }, yet without declarations ; data limited only
by memory ; refinements to support top -down programming ;
nesting by indentation . Programs are typically around a
quarter the size of the equivalent {Pascal } or {C } program ,
and more readable .
ABC includes a programming environment with {syntax -directed }
editing , {suggestions }, {persistent variables } and multiple
workspaces and {infinite precision } arithmetic .
An example function words to collect the set of all words in a
document :
HOW TO RETURN words document :
PUT {} IN collection
FOR line in document :
FOR word IN split line :
IF word not .in collection :
INSERT word IN collection
RETURN collection
{Interpreter }/{compiler }, version 1 .04 .01 , by Leo Geurts ,
Lambert Meertens , Steven Pemberton .
ABC has been ported to {Unix }, {MS -DOS }, {Atari }, {Macintosh }.
{(http ://cwi .nl /cwi /projects /abc .html )}.
{FTP eu .net (ftp ://ftp .eu .net /programming /languages /abc )},
{FTP nluug .nl (ftp ://ftp .nluug .nl /programming /languages /abc )},
{FTP uunet (ftp ://ftp .uu .net /languages /abc )}.
Mailing list : .
E -mail : .
["The ABC Programmer 's Handbook " by Leo Geurts , Lambert
Meertens and Steven Pemberton , published by Prentice -Hall
(ISBN 0 -13 -000027 -2 )].
["An Alternative Simple Language and Environment for PCs " by
Steven Pemberton , IEEE Software , Vol . 4 , No . 1 , January 1987 ,
pp . 56 -64 .]
(1995 -02 -09 )
2 . Argument , Basic value , C ?.
An {abstract machine } for implementation of {functional
languages } and its intermediate code .
[P . Koopman , "Functional Programs as Executable
Specifications ", 1990 ].
(1995 -02 -09 )
安装中文字典英文字典查询工具!
中文字典英文字典工具:
复制到剪贴板
英文字典中文字典相关资料:
ABC Network - ABC. com "The GRAMMYS®" to be exclusively simulcast on ABC, Hulu and Disney+ beginning in 2027! Congratulations to Michelle Williams, a 2026 Golden Globe Award® winner for "Dying for Sex," now streaming on Hulu
ABC News - Breaking News, Latest News and Videos Your trusted source for breaking news, analysis, exclusive interviews, headlines, and videos at ABCNews com
Breaking News | ABC7 KABC News Feed - ABC7 Los Angeles Read real-time breaking news as it develops with the ABC7 News Feed Stay up-to-date with local California news as well as U S and world news stories
KGO News Live Streaming Video - ABC7 San Francisco Watch live streaming video on ABC7news com and stay up-to-date with the latest KGO news broadcasts as well as live breaking news whenever it happens
ABC Live Stream In supported markets, watch your favorite shows on the ABC live stream
ABC News Live - ABC News Stream ABC News Live video: watch the 24 7 live stream of breaking news and live events
ABC TV Shows, Specials Movies Browse ABC TV shows, movies and specials to find your favorite shows and watch full episodes online
ABC News Videos Boy receives Citizen Honor Award for shielding classmate during school shooting Mar 26 ABC News
ABC News Live - 24 7 live news stream Watch ABC News live news stream and get 24 7 latest, breaking news coverage, and live video
Watch ABC News 2024 | ABC Watch ABC News Get the latest local and national news updates, full broadcast episodes, specials and more all in one place all day, every day