2. 计算机
  3. A　typical(160)language　contains　an　applicative　sub-language　which　approximates　the　mathematical　abstractions　of　"timeless"　funct

A　typical(160)language　contains　an　applicative　sub-language　which　approximates　the　mathematical　abstractions　of　"timeless"　funct

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问题 A　typical(160)language　contains　an　applicative　sub-language　which　approximates　the　mathematical　abstractions　of　"timeless"　functions　applied　to　"spaceless"　values,　where　the　actual　operation　sequences　and　use　of　storage　space　during　expression　evaluation　are　organized　behind　the(161).　In　this　setting,　values　are　data　structures　of　low　volume,　typically　a　few　computer　words　or　less,　which　means　that　an　illusion　of　spacelessness　can　be　realized　by　having(162)results　during　expression　evaluation　stored　at　the　discretion　of　the　language　implementation,　and　effecting　parameter(163)and(164)operations　through　value　copying.
选项 A、foreground
B、background
C、screen
D、scenes
答案D
解析
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