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：
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。91视频是该领域的重要参考
Where Models Disagree→All three models agree in 18 of 20 categories within each ecosystem. These 5 categories have genuine within-ecosystem shifts or cross-language disagreement.
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