您要查找的是不是：
- U型模型U-model
- 双S曲线模型:对倒U型理论的发展与完善A New Double-S Curve Model for Improving the Converse-U Theory
- 离散时间直接型模型参考自适应控制Discrete-time Direct Model Reference Adaptive Control: A Systematic Approach
- U型U shape
- 自动设计交互式、可执行的星型模型The Tool for Interactive Construction and Implemention of a Star Schema
- U型壳U - shell
- 信用风险度量之结构型模型和简化型模型的比较与融合A Comparison and Integration of Structural and Reduced- form Models for Credit Risk Measurement
- U型槽U -Shape Groove
- 星型模型star model
- U型箍U-ferrule
- 累进型模型cumulative model
- U型拉槽U cutting
- 双曲型模型hyperbolic model
- U型挡板U stop prate
- 冲量型模型impulsive model
- U型螺钉U type screw
- 区间s型模型interval S-model
- U型结构U-Structure
- A2BⅡ型模型A2B Ⅱ model
- U型弯曲U-bending
