scheme evaluation的用法和样例：
例句
- Lead fuzzy sets into the mechanical products design and set up a new evaluating method for its scheme.
将模糊数学理论引入机械设计中，建立一种新的产品设计方案评价方法。 - A design feature-based method for scheme generation in conceptual design is presented, whose effectiveness is verified by an example.
随后给出基于设计特征的概念设计方案生成方法及方案评价方法，并用实例验证其有效性。
