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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，这一点在旺商聊官方下载中也有详细论述
write(chunk) { addChunk(chunk); },
"I believe we've had a problem here," said Swigert. Lovell had to repeat the message to a stunned Mission Control: "Houston, we've had a problem."
宏观经济再平衡：2025-2026周期的结构逻辑与政策红利