model of entities的用法和樣例：
例句
- Researchers have known for years that their models of reality are incomplete.
研究人員很多年前就知道實體模型是不完善的。 - Based on the machining theories and gear profile equation, using computer graphics, the article builds the surface model and solid model of honner.
本文根據珩輪的加工原理和齒面方程，利用計算機圖形學方法，分別建立了珩輪的表面模型和實體模型。
