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代码中定义了一个 primitives 对象，里面藏着 20 多种不同的几何体生成函数。让我们挑几个常用模型进行分析：
，这一点在heLLoword翻译官方下载中也有详细论述
Osbourne racked up more than 100 million worldwide album sales over five decades, including 19 studio albums and eight live albums with Black Sabbath and another 13 studio albums as a solo artist.
"Upvotes reward what a community likes, not what is true, so you can get information cascades, groupthink, and strong echo chambers in certain subreddits."