A usually full-sized scale model of a structure, used for demonstration, study, or testing.

实体模型：一种通常是建筑物的全尺寸模型，用作陈列，研究或试验。

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A usually full-sized scale model of a structure, used for demonstration, study, or testing.

实体模型：一种通常是建筑物的全尺寸模型，用作陈列，研究或试验。

youdao