If you're using SICP with DrRacket, Neil Van Dyke has put together an excellent software package to help with this. Alternatively, you might be able to use the "Pretty Big" language (under Legacy languages).
The best language for using DrRacket in is the "Determine language from source" option, with #lang racket at the top, but SICP programs may not work perfectly in that context.
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如果您将 SICP 与 DrRacket 一起使用，Neil Van Dyke 已经整理了一个出色的软件包来帮忙解决这个问题。或者，您也许可以使用“Pretty Big”语言（在旧语言下）。
使用 DrRacket 的最佳语言是“从源代码确定语言”选项，顶部有
#langracket，但 SICP 程序在这种情况下可能无法完美运行。If you're using SICP with DrRacket, Neil Van Dyke has put together an excellent software package to help with this. Alternatively, you might be able to use the "Pretty Big" language (under Legacy languages).
The best language for using DrRacket in is the "Determine language from source" option, with
#lang racketat the top, but SICP programs may not work perfectly in that context.