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:
301 Moved Permanently Full Episode Player - ABC. com Edited by Peter Kaminsky and Ashley Archer - Go. com Edited by Peter Kaminsky and Ashley Archer - Go. com site. abc. go. com oscar. ugv. abc. go. com abcaffiliatesweepstakes. abc. go. com Americas Funniest Videos Casey S, 26 Erika, 23 Amber T, 29 Holly, 34 Courtney, 28 Anna, 25 . . .