本文提出的用形状语法，按照形状规则，设计生成图形的方法，是智能地解决这一问题的初步实践。

This paper presents an approach, using shape grammars, on the basis of shape rules to design pictures, which is a preliminary practice of solving the problems artificially.

youdao

Scratch The syntax actually looks reminiscent to Scratch, where you have a puzzle piece reminiscent of this shape, but you have to say "if" followed by a space, followed by in parenthesis, the Boolean expression that you want to check -- more on those in a moment.

这个语法看起来使人想起，那里有一个这种形状的程序块，但是你必须说明“if“后面跟着一个空格，跟着一个括号，一个你需要核对的布尔表达式,-还有更多的。

哈佛公开课 - 计算机科学课程节选