inner model

例句：

1. 1. The company's new product is based on an innermodel that has been refined over the years.
   该公司的新产品基于多年来不断完善的内部模型。
2. 2.The researcher developed an inner model topredict the market trends.
   研究员开发了一个内部模型来预测市场趋势。
3. 3. Theteam used the inner modelto optimize their design process.
   团队利用内部模型优化了他们的设计过程。