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：
It’s composed of military units that run parallel to, but outside of, Iran’s conventional forces. Over the years, the IRGC also developed a diversified business empire that helps finance the regime as well as its own military and ideological agenda. That empire includes core industrial sectors like oil and transportation as well as banking, telecommunications, agriculture, medicine, and real estate.
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In 1958, he applied to Nasa.
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